Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Mrs. Loudon
Carl von Clausewitz
George William Askinson
John Snow
John Tyndall
Robert Sheckley
Various
Robert Boyle
Galileo Galilei
David Hume
David Hilbert
Jean-Henri Fabre
Randall Garrett and Laurence M. Janifer
T. Troward
John Buchan
F. H. King
E. Walter Maunder
Ambrose Bierce
Adam Sedgwick, F. G. Sinclair, and David Sharp
Lucius Annaeus Seneca
Baron Lionel Walter Rothschild Rothschild
Thomas Wilhelm
A. W. Duncan
F. Marion Crawford
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.