Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Ib Melchior
Murray Leinster
Kirk Drussai and Garen Drussai
Henry Slesar
R. R. Winterbotham
Tom W. Harris
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.