Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Edward Teller and Albert L. Latter
Charles Fitzhugh Talman
Lester Chadwick
United States. National Park Service
Arthur Conan Doyle
Massachusetts. Commissioners on Fisheries and Game and David Lawrence Belding
J. Howard Moore
J. J. Connington
Lewis W. Leeds
Robert Sparks Walker
A. Kempkey
Jr. John Fox
U.S. Fish and Wildlife Service
Charles Kingsley
Stephen David Durrant, M. Raymond Lee, and Richard M. Hansen
Various
James W. Bee
C. Jackson Craven
Richard F. Johnston and G. A. Schad
United States. Forest Service. Rocky Mountain Region
William Wood
Christoph von Schmid
William Hewitt
Stephen Bowers
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.