Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Charles Darwin
Ernst Haeckel
2276 downloads
kniaz Petr Alekseevich Kropotkin
Erasmus Darwin
George John Romanes
Robert Chambers
Thomas Henry Huxley
A. C. Seward
Alfred Russel Wallace
Grant Allen
1051 downloads
Samuel Butler
Charles Morris
August Weismann
Herbert Spencer
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.