Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Allen Glasser and A. R. Hilliard
Alan Edward Nourse
Poul Anderson
James V. McConnell
Philip José Farmer
Robert Moore Williams
Arthur Porges
Ray Cummings
Roger D. Aycock
Keith Laumer
Allen Kim Lang
Nelson S. Bond
Joseph Samachson
Edmond Hamilton
Richard Wilson
C. C. MacApp
Edward W. Ludwig
Jr. John W. Campbell
R. A. Lafferty
Robert Abernathy
Hal Clement
Robert Sheckley
William Dixon Bell
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.