Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Edmund Gosse
B. Lindsay
William MacGillivray
Sir E. Ray Lankester
P. Martin Duncan
J. A. Harvie-Brown and John Cordeaux
Richard Lydekker
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.