Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
H. G. Wells
Jules Verne
Edgar Rice Burroughs
Bob Webster
Andre Norton
II Victor Appleton
Galileo Galilei and Johannes Kepler
Roger D. Aycock
Richard Folkard
Stanley G. Weinbaum
George Frederick Kunz
Mark Wicks
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.