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 — 77,295 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 — 2,793 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 — 20,689 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 — 3,276 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 — 10,754 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 3.75 avg rating — 4,120 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 — 2,106 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 — 10,684 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 — 947 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 — 696 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 — 635 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 — 4,581 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 — 871 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 — 799 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 — 1,511 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 — 2,834 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 — 9,344 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 3.44 avg rating — 303 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 — 398 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 — 8,380 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 — 63,757 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 — 542 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 — 1,445 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 — 199 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 — 268 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 — 200 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 — 563,307 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	Climate Conundrum - The Agendas and Forces at Play by Balvinder Ruby (Goodreads Author) 4.88 avg rating — 8 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 — 525 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 — 1,870,420 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 — 662,582 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 — 6,296 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 — 728 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 — 438 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 3.60 avg rating — 336 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 — 224 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