SF Supernova

The Library

4170 public-domain science-fiction titles

4170 results
Oberheim (Voices): A Chronicle of War
Cover of Oberheim (Voices): A Chronicle of War by Christopher Leadem
Oberheim (Voices): A Chronicle of War
Christopher Leadem · 2002
~6 hr read
Military SFSpace Opera
Oberon
Cover of Oberon by Christoph Martin Wieland
Oberon
Christoph Martin Wieland · 1780
~5 hr read
AdventureFantasy
Occasion ... for Disaster
Cover of Occasion ... for Disaster by Randall Garrett
Occasion ... for Disaster
Laurence M. Janifer & Randall Garrett · 1960
~5 hr read
Psychic PowersSocial SF
Oesterreich im Jahre 2020: Socialpolitischer Roman
Cover of Oesterreich im Jahre 2020: Socialpolitischer Roman by Josef von Neupauer
Oesterreich im Jahre 2020: Socialpolitischer Roman
Josef von Neupauer · 1893
4 hr 39 min read
Social SFUtopia
Of All Possible Worlds
Cover of Of All Possible Worlds by William Tenn
Of All Possible Worlds
William Tenn · 1956
22 min read
Social SFTime Travel
Of Stegner's Folly
Cover of Of Stegner's Folly by Richard S. Shaver
Of Stegner's Folly
Richard S. Shaver · 1952
18 min read
Hard SFPost-Apocalyptic
Of Time and Texas
Cover of Of Time and Texas by William F. Nolan
Of Time and Texas
William F. Nolan · 1956
5 min read
Social SFTime Travel
Off Course
Cover of Off Course by Mack Reynolds
Off Course
Mack Reynolds · 1954
14 min read
First ContactSocial SF
Off on a Comet! a Journey through Planetary Space
Cover of Off on a Comet! a Journey through Planetary Space by Jules Verne
Off on a Comet! a Journey through Planetary Space
Jules Verne · 1877
~7 hr read
AdventureHard SF
Off the Beam
Cover of Off the Beam by George O. Smith
Off the Beam
George O. Smith · 1944
53 min read
Hard SFSpace Opera
Office call
Cover of Office call by Charles E. Fritch
Office call
Charles E. Fritch · 1954
14 min read
First ContactSocial SF
Oh Mesmerist From Mimas!
Cover of Oh Mesmerist From Mimas! by Roger D. Aycock
Oh Mesmerist From Mimas!
Roger D. Aycock · 1953
40 min read
First ContactPsychic Powers
Oh, Rats!
Cover of Oh, Rats! by Miriam Allen De Ford
Oh, Rats!
Miriam Allen De Ford · 1961
17 min read
Psychic PowersSocial SF
Old Farm Fairies: A Summer Campaign In Brownieland Against King Cobweaver's Pixies
Cover of Old Farm Fairies: A Summer Campaign In Brownieland Against King Cobweaver's Pixies by Henry C. McCook
Old Farm Fairies: A Summer Campaign In Brownieland Against King Cobweaver's Pixies
Henry C. McCook · 1895
~7 hr read
FantasyJuvenile
Old Friends Are the Best
Cover of Old Friends Are the Best by Jack Sharkey
Old Friends Are the Best
Jack Sharkey · 1960
14 min read
First ContactSocial SF
Old Mr. Wiley
Cover of Old Mr. Wiley by Greye La Spina
Old Mr. Wiley
Greye La Spina · 1951
27 min read
FantasyHorror
Old Rambling House
Cover of Old Rambling House by Frank Herbert
Old Rambling House
Frank Herbert · 1958
15 min read
ColonizationFirst Contact
Old Shag
Cover of Old Shag by Bob Farnham
Old Shag
Bob Farnham · 1960
12 min read
AdventureSpace Opera
Olga Romanoff
Cover of Olga Romanoff by George Chetwynd Griffith
Olga Romanoff
George Chetwynd Griffith · 1894
~8 hr read
Military SFPost-Apocalyptic
Olympian Nights
Cover of Olympian Nights by John Kendrick Bangs
Olympian Nights
John Kendrick Bangs · 1902
2 hr 9 min read
Fantasy
Omega, the Man
Cover of Omega, the Man by Lowell Howard Morrow
Omega, the Man
Lowell Howard Morrow · 1933
48 min read
AdventurePost-Apocalyptic
Omega: The Last days of the World
Cover of Omega: The Last days of the World by Camille Flammarion
Omega: The Last days of the World
Camille Flammarion · 1893
3 hr 21 min read
Hard SFPost-Apocalyptic
Omnilingual
Cover of Omnilingual by H. Beam Piper
Omnilingual
H. Beam Piper · 1957
1 hr 3 min read
First ContactHard SF
On Handling the Data
Cover of On Handling the Data by M. I. Mayfield
On Handling the Data
M. I. Mayfield · 1957
14 min read
Hard SFSocial SF