Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
William Henry Flower
Alfred M. Tozzer and Glover M. Allen
Sir E. Ray Lankester
Jacob Abbott
Montagu Browne
Walter Woelber Dalquest
Pliny Earle Goddard
Richard Jefferies
Mary Austin
British Museum . Department of Mineralogy and L. Fletcher
Harvey C. Markman
Clark Wissler
E. A. Smith, F. J. Bell, R. Kirkpatrick, and British Museum . Department of Zoology
Ralph Linton
Thomas Henry Huxley
Harry Castlemon
H. T. Irwin and Cynthia Irwin-Williams
Various
Max C. Thompson
W. James King
H. M. Wormington
British Museum
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.