Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Nicholas Culpeper
William James
Charles Darwin
Alexander von Humboldt
Aesop
Andrew Lang
Henry David Thoreau
Sir Ebenezer Howard
John Snow
Bertrand Russell
Jewett C. Gilson
Ellen Churchill Semple
the Elder Pliny
Gilbert White
George E. Waring
kniaz Petr Alekseevich Kropotkin
John Muir
William T. Hornaday
Ellen C. Babbitt
Robert Ezra Park, E. W. Burgess, and Roderick Duncan McKenzie
George P. Marsh
Alfred Russel Wallace
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.