Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Marie Curie
George F. Chambers
John Tyndall
Gaston Tissandier
Louis Bell
H. L. Mencken
Charles Howard Hinton
Benjamin Franklin
David Brewster
Mrs. Bloomfield H. Moore
Albert A. Michelson
Andrew Gray
Sarah Knowles Bolton
John Fiske
H. R. Procter
N. Hawkins
Garrett Putman Serviss and Arthur Selwyn-Brown
Robert Hunt
James J. Walsh and Brother Potamian
Simon Newcomb
Camille Flammarion
Mrs. John Herschel
active 13th century de Maricourt Pierre
Various
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.
