Free Science Fiction Books to Read Online
Browse 98 free public-domain Science Fiction books to read online or hear as AI audiobooks on Efil Books — no cost, no account.
- The Moon Pool by A. Merritt
- Short Fiction by Algis Budrys
- Key Out of Time by Andre Norton
- Plague Ship by Andre Norton
- Short Fiction by Andre Norton
- Star Born by Andre Norton
- Star Hunter by Andre Norton
- Storm Over Warlock by Andre Norton
- The Defiant Agents by Andre Norton
- The Time Traders by Andre Norton
- Voodoo Planet by Andre Norton
- The Maracot Deep by Arthur Conan Doyle
- Omega by Camille Flammarion
- Stand by for Mars! by Carey Rockwell
- Short Fiction by Charles Beaumont
- Herland by Charlotte Perkins Gilman
- Short Fiction by Clark Ashton Smith
- Short Fiction by Clifford D. Simak
- Short Fiction by Cordwainer Smith
- First Lensman by E. E. Smith
- The Skylark of Space by E. E. Smith
- Triplanetary by E. E. Smith
- Short Fiction by E. M. Forster
- Short Fiction by Edgar Allan Poe
- At the Earth’s Core by Edgar Rice Burroughs
- Beyond Thirty by Edgar Rice Burroughs
- Pellucidar by Edgar Rice Burroughs
- The Land That Time Forgot by Edgar Rice Burroughs
- The Moon Maid by Edgar Rice Burroughs
- Looking Backward by Edward Bellamy
- The Coming Race by Edward Bulwer-Lytton
- Short Fiction by Frank Belknap Long
- Search the Sky by Frederik Pohl, C. M. Kornbluth
- Plague of Pythons by Frederik Pohl
- Short Fiction by Frederik Pohl
- Short Fiction by Fritz Leiber
- The Big Time by Fritz Leiber
- Four-Day Planet by H. Beam Piper
- Little Fuzzy by H. Beam Piper
- Short Fiction by H. Beam Piper
- Space Viking by H. Beam Piper
- The Cosmic Computer by H. Beam Piper
- Uller Uprising by H. Beam Piper
- In the Days of the Comet by H. G. Wells
- Short Fiction by H. G. Wells
- The First Men in the Moon by H. G. Wells
- The Food of the Gods by H. G. Wells
- The Invisible Man by H. G. Wells
- The Island of Doctor Moreau by H. G. Wells
- The Time Machine by H. G. Wells
- The War of the Worlds by H. G. Wells
- The World Set Free by H. G. Wells
- At the Mountains of Madness by H. P. Lovecraft
- Planet of the Damned by Harry Harrison
- The Stainless Steel Rat by Harry Harrison
- Short Fiction by Henry Kuttner
- Short Science Fiction by Isaac Asimov
- Nordenholt’s Million by J. J. Connington
- A Strange Manuscript Found in a Copper Cylinder by James De Mille
- Invaders from the Infinite by John W. Campbell
- Islands of Space by John W. Campbell
- The Black Star Passes by John W. Campbell
- The Inheritors by Joseph Conrad, Ford Madox Ford
- Facing the Flag by Jules Verne
- Journey to the Center of the Earth by Jules Verne
- R.U.R. by Karel Čapek
- The Absolute at Large by Karel Čapek
- The Purple Cloud by M. P. Shiel
- Short Fiction by Mack Reynolds
- Short Fiction by Manly Wade Wellman
- Frankenstein by Mary Shelley
- The Last Man by Mary Shelley
- Armageddon 2419 A.D. by Philip Francis Nowlan
- The Airlords of Han by Philip Francis Nowlan
- Short Fiction by Philip K. Dick
- Gladiator by Philip Wylie
- Short Fiction by Poul Anderson
- Short Fiction by R. A. Lafferty
- Short Fiction by Ray Bradbury
- After London by Richard Jefferies
- The Strange Case of Dr. Jekyll and Mr. Hyde by Robert Louis Stevenson
- Short Fiction by Robert Sheckley
- The World Below by S. Fowler Wright
- The Jewels of Aptor by Samuel R. Delany
- Short Fiction by Stanley G. Weinbaum
- Metropolis by Thea von Harbou
- The Survivors by Tom Godwin
- Short Fiction by Walter M. Miller Jr.
- The House on the Borderland by William Hope Hodgson
- The Night Land by William Hope Hodgson
- We by Yevgeny Zamyatin
- Black No More by George Schuyler
- Last and First Men by Olaf Stapledon
- A Honeymoon in Space by George Chetwynd Griffith
- A Journey to the Centre of the Earth by Jules Verne
- Twenty Thousand Leagues Under the Sea by Jules Verne
- The Sex Life of the Gods by M. E. Knerr
- The Crack of Doom by Robert Cromie