Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Various
Henry Gally
Mack Reynolds
Maurice Baring
Frank Gee Patchin
James Causey
Louise Forsslund
Library of Congress. Copyright Office
Aaron Hill
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.