Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Aaron David Bernstein
Clair A. Brown and Harold E. Grelen
Plato
R. L. Garner
Edgar Rice Burroughs
F. L. Wallace
Everett Franklin Phillips
Garrett Putman Serviss
John L. Hayes
Arthur E. Bostwick
Lorenz Oken
Various
Canada. Department of the Interior
Thomas Henry Huxley
Jules Verne
Philip K. Dick
U. P. Hedrick
John Kendrick Bangs
Herbert Spencer
Xavier Bichat
Carey Rockwell
Everett B. Cole
M. L. Holbrook
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.