Best FREE Science Fiction Audiobooks! (49 books)

Vote for your favourite Science Fiction audiobooks that are available online for free (legal) download, be they novels, novellas, anthologies or collections. (No individual short stories)

Please vote for the free audiobook editions only, not the print editions. This will make it easier to know where each book can be downloaded from.
Also the book must be always free, not promoted by temporary releasing it for free.

Audiobooks only - no OTR, dramatizations and plays, please.

No Fantasy or mixed-genre titles please! A separate list can be created for them.

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All Votes Add Books To This List

1	Empire by Clifford D. Simak 3.37 avg rating — 445 ratings score: 1,675, and 17 people 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
2	Flatland: A Romance of Many Dimensions by Edwin A. Abbott 3.81 avg rating — 77,943 ratings score: 1,160, and 12 people 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
3	The Variable Man by Philip K. Dick 3.81 avg rating — 2,812 ratings score: 1,044, and 11 people 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
4	The Machine Stops by E.M. Forster 4.07 avg rating — 21,100 ratings score: 993, and 10 people 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
5	The Status Civilization by Robert Sheckley 3.98 avg rating — 3,312 ratings score: 937, and 10 people 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
6	Little Fuzzy by H. Beam Piper 4.03 avg rating — 10,822 ratings score: 692, and 7 people 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
7	The Time Traders (Time Traders/ Ross Murdock, #1) by Andre Norton 3.77 avg rating — 6,085 ratings score: 683, and 7 people 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
8	Planet of the Damned by Harry Harrison 3.60 avg rating — 2,114 ratings score: 675, and 7 people 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
9	Quarter Share (Golden Age of the Solar Clipper, #1) by Nathan Lowell (Goodreads Author) 4.17 avg rating — 10,952 ratings score: 599, and 6 people 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
10	Collected Public Domain Works of Stanley G. Weinbaum by Stanley G. Weinbaum 4.14 avg rating — 14 ratings score: 583, and 6 people 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
11	The Door Through Space by Marion Zimmer Bradley 3.29 avg rating — 946 ratings score: 574, and 6 people 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
12	The Standards of Creation by James J. Campanella 4.20 avg rating — 5 ratings score: 550, and 6 people 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
13	X Minus One Project by H.L. Gold 3.76 avg rating — 49 ratings score: 493, and 5 people 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
14	Four-Day Planet by H. Beam Piper 3.74 avg rating — 695 ratings score: 467, and 5 people 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
15	This Crowded Earth by Robert Bloch 3.57 avg rating — 640 ratings score: 447, and 5 people 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
16	The Big Time by Fritz Leiber 3.24 avg rating — 4,647 ratings score: 380, and 4 people 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
17	The Stars are Ours (Pax/Astra, #1) by Andre Norton 3.86 avg rating — 874 ratings score: 375, and 4 people 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
18	Doctor Who: Vampire Science by Jonathan Blum 3.82 avg rating — 805 ratings score: 370, and 4 people 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
19	City at World's End by Edmond Hamilton 3.69 avg rating — 1,519 ratings score: 368, and 4 people 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
20	The Skylark of Space by E.E. "Doc" Smith 3.74 avg rating — 2,840 ratings score: 351, and 4 people 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
21	The Beetle Horde by Victor Rousseau Emanuel 3.03 avg rating — 32 ratings score: 297, and 3 people 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
22	Deathworld by Harry Harrison 3.94 avg rating — 9,407 ratings score: 280, and 3 people 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
23	Brain Twister by Mark Phillips 3.43 avg rating — 305 ratings score: 270, and 3 people 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
24	Starman's Quest by Robert Silverberg 3.60 avg rating — 401 ratings score: 268, and 3 people 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
25	Astounding Stories of Super-Science, September 1930 by Harry Bates (Editor) 3.55 avg rating — 20 ratings score: 256, and 3 people 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
26	The Dream-Quest of Unknown Kadath by H.P. Lovecraft 3.91 avg rating — 8,465 ratings score: 192, and 2 people 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
27	At the Mountains of Madness by H.P. Lovecraft 3.78 avg rating — 64,757 ratings score: 191, and 2 people 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
28	Star Surgeon by Alan E. Nourse 3.86 avg rating — 544 ratings score: 185, and 2 people 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
29	The Colors of Space by Marion Zimmer Bradley 3.71 avg rating — 1,448 ratings score: 182, and 2 people 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
29	Creatures of the Abyss by Murray Leinster 3.28 avg rating — 201 ratings score: 182, and 2 people 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
31	Spacehounds of IPC: A Space Tale of the Inter-Planetary Corporation by E.E. "Doc" Smith 3.74 avg rating — 876 ratings score: 181, and 2 people 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
32	Ultima Thule by Mack Reynolds 3.60 avg rating — 104 ratings score: 180, and 2 people 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
33	Badge of Infamy by Lester del Rey 3.54 avg rating — 269 ratings score: 176, and 2 people 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
34	Astounding Stories of Super-Science: February 1930 by Harry Bates (Editor) 3.62 avg rating — 80 ratings score: 163, and 2 people 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
35	Masters of Space by E.E. "Doc" Smith 3.64 avg rating — 382 ratings score: 161, and 2 people 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
36	Operation: Outer Space by Murray Leinster 3.44 avg rating — 201 ratings score: 150, and 2 people 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
37	The Time Machine by H.G. Wells 3.89 avg rating — 567,444 ratings score: 100, 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
37	American Survivor (Raven's Record #1) by Debbie Hightower (Goodreads Author) 4.81 avg rating — 77 ratings score: 100, 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
39	The Dueling Machine (Watchmen, #3) by Ben Bova 3.59 avg rating — 527 ratings score: 99, 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
39	Frankenstein: The 1818 Text by Mary Wollstonecraft Shelley 3.91 avg rating — 1,907,813 ratings score: 99, 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
41	Dr. Jekyll and Mr. Hyde by Robert Louis Stevenson 3.83 avg rating — 669,267 ratings score: 98, 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
42	The Shadow Out of Time by H.P. Lovecraft 3.86 avg rating — 6,418 ratings score: 86, 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
43	The Green Odyssey by Philip José Farmer 3.53 avg rating — 732 ratings score: 81, 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
44	Legacy by James H. Schmitz 3.81 avg rating — 439 ratings score: 75, 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
45	The Pirates of Ersatz by Murray Leinster 3.59 avg rating — 340 ratings score: 72, 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
46	The Rocket's Shadow by John Blaine 4.09 avg rating — 226 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
47	Rebels of the Red Planet by Charles L. Fontenay 3.08 avg rating — 86 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
48	Make Mine Homogenized by Rick Raphael 3.69 avg rating — 29 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
49	Dawn of Flame by Stanley G. Weinbaum 3.25 avg rating — 32 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