Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Karel Čapek
Philip K. Dick
F. L. Wallace
Isaac Asimov
Charles Hannan
Edward Sylvester Ellis
Randall Garrett
Harry Harrison
E. E. Smith
David C. Knight
Conrad William Cooke
Robert Sheckley
V. E. Thiessen
Bryce Walton
Fritz Leiber
Ivar Jorgensen
Mari Wolf
Reuben Merliss
Stephen Marlowe
William Campbell Gault
A. L. Haley
Manly Wade Wellman
Aldo Giunta
These books are free to read. Each is in the public domain in the United States; check your own country's rules before you copy or share one.