Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Various
Thomas Henry Huxley
Freiherr de Friedrich Heinrich Karl La Motte-Fouqué
Ernst Haeckel
Douglas Houghton Campbell
Edgar Rice Burroughs
Fred H. Colvin and K. A. Juthe
John F. W. Herschel
Stephen Marlowe
Ray Bradbury
Robert E. Howard
Dan Totheroh
Eleanor M. Ingram
H. G. Wells
Jesse F. Bone
Walter W. Bryant
Jane G. Austin
Daniel Kirkwood
William Harvey
W. H. Davenport Adams
Joseph Black
Eugène-Emmanuel Viollet-le-Duc
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.