Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Galileo Galilei and Johannes Kepler
Various
Stanley Mullen
Jr. Sam Merwin
Neil R. Jones
Robert S. Ball
James Nasmyth and James Carpenter
471 downloads
Larry Sternig
Nelson S. Bond
Ray Cummings
Albert dePina
Stephen Marlowe
Henry Kuttner
Ben Bova
Michael Shaara
Robert Abernathy
Leigh Brackett
Mark Reinsberg
Randall Garrett
Carl Jacobi
Theodore L. Thomas
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.