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
462 downloads
Ray Cummings
Stephen Marlowe
Henry Kuttner
Albert dePina
Leigh Brackett
Carl Jacobi
Robert Abernathy
Henry Hasse and Albert dePina
Frederic Arnold Kummer
Malcolm Jameson
Theodore L. Thomas
Ben Bova
John Brudy
Randall Garrett
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.