Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Poul Anderson
James E. Deacon
Arthur Porges
Winston K. Marks
Algis Budrys
Roy J. Snell
Sigurd Smith
David Graham Phillips
Jr. Sam Merwin
W. C. Tuttle
Kendell Foster Crossen
Dave Dryfoos
Alfred Coppel
Stephen Marlowe
Richard C. Tolman
Charles Dye
H. G. Wells
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.