Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Sir E. Ray Lankester
Richard Lamb Allen
John Hankins Wallace
Charles Louis Flint
Jean-Henri Fabre
William Osmer
Conrad Mitchell
Jos. E. Badger
Edward Mayhew
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.