Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
James P. Boyd
E. Stenhouse
Sir John William Dawson
Jagadis Chandra Bose
Eugene W. Hilgard
Brantz Mayer
Sir E. Ray Lankester
Winifred Elsie Brenchley
Frank K. Cameron
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.