20th Century YA and Middle Grade Science Fiction (617 books)

This list is for YA and middle grade science fiction published in the 20th century.

No fantasy! Science fiction only, encompassing futuristic, dystopian, post-apocalyptic, and space themed stories. Books on this list must be published for the YA and middle grade market.

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298	Starluck by Don Wismer 3.88 avg rating — 25 ratings score: 71, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
298	Strange Adventures #187 by Jack Sparling (Cover Artists) liked it 3.00 avg rating — 1 rating score: 71, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
303	The Girl from the Emeraline Island by Robert S. Blum 3.77 avg rating — 39 ratings score: 70, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
303	Delos by Veronica Robinson 3.17 avg rating — 6 ratings score: 70, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
303	Lost Race of Mars by Robert Silverberg 3.77 avg rating — 111 ratings score: 70, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
303	The Exchange Student by Kate Gilmore 3.59 avg rating — 100 ratings score: 70, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
303	Showcase Presents: Strange Adventures, Vol. 2 by Various 3.91 avg rating — 34 ratings score: 70, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
308	Treasures of Morrow by Helen Mary Hoover 3.96 avg rating — 103 ratings score: 69, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
308	Space Trap by Monica Hughes 3.68 avg rating — 105 ratings score: 69, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
308	This Star Shall Abide (Children of the Star, #1) by Sylvia Engdahl (Goodreads Author) 4.08 avg rating — 386 ratings score: 69, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
308	Secret Under the Sea by Gordon R. Dickson 3.54 avg rating — 87 ratings score: 69, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
308	Torch by Jill Paton Walsh 3.59 avg rating — 34 ratings score: 69, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
308	Nick and the Glimmung by Philip K. Dick 3.51 avg rating — 465 ratings score: 69, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
308	Showcase Presents: Strange Adventures, Vol. 1 by John Broome 3.51 avg rating — 37 ratings score: 69, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
315	Orvis by Helen Mary Hoover 3.94 avg rating — 219 ratings score: 68, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
315	The Vandal by Ann Schlee 3.70 avg rating — 23 ratings score: 68, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
315	The Lotus Caves by John Christopher 3.71 avg rating — 638 ratings score: 68, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
315	Skiffy by William Mayne 3.25 avg rating — 4 ratings score: 68, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
315	Secret Under the Caribbean by Gordon R. Dickson 3.43 avg rating — 7 ratings score: 68, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
315	Blast from the Past by Pam Cardiff 0.00 avg rating — 0 ratings score: 68, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
315	Showcase Presents: Great Disaster Featuring the Atomic Knights, Vol. 1 by John Broome 3.79 avg rating — 48 ratings score: 68, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
322	Children of the Atom by Wilmar H. Shiras 3.79 avg rating — 212 ratings score: 67, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
322	Forbidden Memories by Jamila Gavin it was amazing 5.00 avg rating — 2 ratings score: 67, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
322	Binky the Space Cat by Ashley Spires (Goodreads Author) 4.07 avg rating — 5,307 ratings score: 67, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
322	Collidescope by Grace Chetwin (Goodreads Author) 4.23 avg rating — 26 ratings score: 67, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
322	The Captain Comet Archives 1 by John Broome 0.00 avg rating — 0 ratings score: 67, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
327	Zip-Zip and His Flying Saucer by John M. Schealer 4.88 avg rating — 8 ratings score: 66, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
327	The Electric Kid by Garry Kilworth 3.81 avg rating — 36 ratings score: 66, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
327	Catseye (Dipple, #1) by Andre Norton 3.95 avg rating — 2,985 ratings score: 66, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
327	Space Cat by Ruthven Todd 4.22 avg rating — 354 ratings score: 66, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
327	Antigrav (Puffin Books) by Nicholas Fisk 4.04 avg rating — 27 ratings score: 66, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
327	Stinker from Space by Pamela F. Service 3.72 avg rating — 172 ratings score: 66, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
327	The Atomic Knights by John Broome 3.87 avg rating — 30 ratings score: 66, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
334	Time Trap by Nicholas Fisk 3.67 avg rating — 27 ratings score: 65, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
334	Natfact 7 by John Tully it was ok 2.00 avg rating — 1 rating score: 65, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
334	Space Cat Meets Mars by Ruthven Todd 4.28 avg rating — 123 ratings score: 65, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
334	Buck Rogers in the 25th Century: The Complete Muprhy Anderson Dailies: 1947-1949 and 1958-1959 by Bob Barton it was amazing 5.00 avg rating — 1 rating score: 65, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
338	The Happy Planet by Joan Clarke 3.70 avg rating — 10 ratings score: 64, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
338	MapHead by Lesley Howarth 3.23 avg rating — 103 ratings score: 64, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
338	Space Cat Visits Venus by Ruthven Todd 4.27 avg rating — 131 ratings score: 64, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
338	Buck Rogers in the 25th Century: The Gray Morrow Years Volume 1 (1979-1981) (BUCK ROGERS IN 25TH CENT GRAY MORROW YEARS) by Jim Lawrence 3.27 avg rating — 11 ratings score: 64, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
342	The Awakening Water by G.R. Kesteven (Pseudonym) really liked it 4.00 avg rating — 49 ratings score: 63, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
342	Star Gate by Andre Norton 3.86 avg rating — 873 ratings score: 63, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
342	Out of Time by Aidan Chambers (Editor) 3.44 avg rating — 9 ratings score: 63, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
342	Space Cat and the Kittens by Ruthven Todd 4.29 avg rating — 92 ratings score: 63, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
342	Buck Rogers in the 25th Century: The Complete Murphy Anderson Sundays (1958-1959) by Murphy Anderson 3.40 avg rating — 5 ratings score: 63, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
347	Scatterlings by Isobelle Carmody (Goodreads Author) 3.92 avg rating — 740 ratings score: 62, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
347	The Voyage Begun by Nancy Bond 4.05 avg rating — 19 ratings score: 62, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
347	Dread Companion by Andre Norton 3.65 avg rating — 409 ratings score: 62, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
347	World-Eater by Robert Swindells 3.32 avg rating — 25 ratings score: 62, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
347	The collected works of Buck Rogers in the 25th century by Robert C. Dille (editor) 4.05 avg rating — 60 ratings score: 62, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
352	Waiting for the End of the World by Lee Harding 3.25 avg rating — 16 ratings score: 61, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
352	In the Circle of Time by Margaret J. Anderson 3.80 avg rating — 116 ratings score: 61, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
352	Dark Piper by Andre Norton 3.71 avg rating — 426 ratings score: 61, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
352	Star Stormers by Nicholas Fisk 3.45 avg rating — 51 ratings score: 61, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
352	Miss Pickerell and the Geiger Counter by Ellen MacGregor 3.68 avg rating — 117 ratings score: 61, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
352	Flash Gordon Sundays: Dan Barry Volume 1 - The Death Planet by Dan Barry 4.21 avg rating — 19 ratings score: 61, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
358	After the Bomb by Gloria D. Miklowitz 3.66 avg rating — 243 ratings score: 60, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
358	Mind-hold by Wilanne Schneider Belden 3.92 avg rating — 26 ratings score: 60, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
358	Earth Invaded (Hood's Army, #1) by Nathan Elliott (Pseudonym) 2.89 avg rating — 9 ratings score: 60, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
358	Miss Pickerell on the Moon by Dora Pantell 3.81 avg rating — 115 ratings score: 60, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
358	Flash Gordon - Sept 1966 by Larry Ivie 3.67 avg rating — 6 ratings score: 60, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
363	Journey to Terezor by Frank Asch 4.13 avg rating — 46 ratings score: 59, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
363	Noah's Castle by John Rowe Townsend 3.65 avg rating — 134 ratings score: 59, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
363	The Huntsman (Warriors Of The Wasteland, #1) by Douglas Arthur Hill 3.84 avg rating — 76 ratings score: 59, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
363	Miss Pickerell Goes Undersea by Ellen MacGregor 3.70 avg rating — 86 ratings score: 59, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
363	Secret of the Lost Planet by Angus MacVicar 4.14 avg rating — 22 ratings score: 59, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
363	Flash Gordon The Complete Daily Strips 1951-1953 by Dan Barry 3.78 avg rating — 23 ratings score: 59, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
369	Barbary by Vonda N. McIntyre 3.64 avg rating — 262 ratings score: 58, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
369	The Last Oasis by Sue Pace 4.38 avg rating — 24 ratings score: 58, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
369	No Man's Land (Puffin Books) by Simon Watson 3.89 avg rating — 18 ratings score: 58, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
369	Miss Pickerell Goes to the Arctic by Ellen MacGregor 3.64 avg rating — 87 ratings score: 58, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
369	Peril on the Lost Planet by Angus MacVicar really liked it 4.00 avg rating — 7 ratings score: 58, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
369	Flash Gordon Comic Book Archives Volume 3 by Bill Pearson 3.25 avg rating — 4 ratings score: 58, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
375	Plague (Plague 99, #1) by Jean Ure 3.62 avg rating — 409 ratings score: 57, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
375	Space Hostages by Nicholas Fisk 3.42 avg rating — 77 ratings score: 57, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
375	Miss Pickerell Goes on a Dig, #7 by Dora Pantell 3.54 avg rating — 39 ratings score: 57, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
375	Satellite 7 by Angus MacVicar 3.50 avg rating — 2 ratings score: 57, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
375	Flash Gordon - Mar 1967 by Archie Goodwin really liked it 4.00 avg rating — 9 ratings score: 57, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
380	Green Is for Galanx by Josephine Rector Stone 2.80 avg rating — 5 ratings score: 56, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
380	The Burning Land (Firebrats, #1) by Barbara Siegel 3.85 avg rating — 84 ratings score: 56, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
380	Return to Earth by Helen Mary Hoover 3.78 avg rating — 59 ratings score: 56, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
380	Miss Pickerell and the Blue Whales by Dora Pantell 3.18 avg rating — 11 ratings score: 56, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
380	Return to the Lost Planet by Angus MacVicar 0.00 avg rating — 0 ratings score: 56, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
380	Flash Gordon - Jan 1970 by Sal Gentile (Editor) 0.00 avg rating — 0 ratings score: 56, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
386	The Green Futures of Tycho by William Sleator 4.01 avg rating — 807 ratings score: 55, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
386	Evan's Voice by Sallie Lowenstein 3.91 avg rating — 11 ratings score: 55, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
386	Galactic Warlord (Last Legionary, #1) by Douglas Arthur Hill 4.13 avg rating — 398 ratings score: 55, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
386	Miss Pickerell and the Lost World (Series Originated by Ellen Macgregor) by Dora Pantell 2.90 avg rating — 10 ratings score: 55, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
386	Red Fire On The Lost Planet by Angus MacVicar 0.00 avg rating — 0 ratings score: 55, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
386	Flash Gordon, the Movie [Golden Books] by Bruce Jones (Goodreads Author) 3.54 avg rating — 35 ratings score: 55, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
392	Taronga (Puffin story books) by Victor Kelleher 3.47 avg rating — 896 ratings score: 54, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
392	Inside UFO 54-40 (Choose Your Own Adventure, #12) by Edward Packard 3.76 avg rating — 577 ratings score: 54, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
392	Miss Pickerell Harvests the Sea, No. 8 by Dora Pantell 3.42 avg rating — 31 ratings score: 54, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
392	The Lost Planet by Angus MacVicar 3.30 avg rating — 33 ratings score: 54, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
392	Mac Raboy's Flash Gordon, Vol. 1 by Mac Raboy 3.50 avg rating — 8 ratings score: 54, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
397	The Guardians by John Christopher 3.68 avg rating — 774 ratings score: 53, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
397	Transformations by Ann Halam 3.64 avg rating — 11 ratings score: 53, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
397	The Turning Place: Stories of a Future Past by Jean E. Karl 4.05 avg rating — 57 ratings score: 53, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
397	Stowaway to the Mushroom Planet (The Mushroom Planet, #2) by Eleanor Cameron 4.04 avg rating — 722 ratings score: 53, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars