Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Edward W. Ludwig
John Barrett
James E. Gunn
William Oberfield
Bryce Walton
Frank M. Robinson
Alfred Coppel
Winston K. Marks
H. G. Wells
Stephen Marlowe
Alan Edward Nourse
George Revelle
R. R. Winterbotham
Roger Kuykendall
Ray Cummings
A. de Ville D'Avray
Raymond F. Jones
Rog Phillips
Algis Budrys and Jerome Bixby
T. D. Hamm
Clyde Brown
Arnold Marmor
Charles L. Fontenay
James McKimmey
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.