Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Galileo Galilei and Johannes Kepler
Various
Robert S. Ball
Jr. Sam Merwin
Neil R. Jones
James Nasmyth and James Carpenter
Larry Sternig
Nelson S. Bond
Ray Cummings
467 downloads
Stephen Marlowe
Henry Kuttner
Robert Abernathy
Leigh Brackett
Carl Jacobi
Albert dePina
Ben Bova
Henry Hasse and Albert dePina
Theodore L. Thomas
Frederic Arnold Kummer
Randall Garrett
Malcolm Jameson
John Brudy
Robert Moore Williams
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.