Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Royal Dixon
P. H. Emerson
Esther Singleton
John Burroughs
Camille Flammarion
William Swainson
James Glass Bertram
Henry Ward Beecher
Lina Beard and Adelia B. Beard
Porphyry
J. S. Rarey
Gilbert White
Joseph Dietzgen
J. G. Wood
Edward Thomas
Geological Survey
Montague Free
Thomas Hobbes
George Henry Tilton
William Youatt
G. B. Sowerby
John H. Dixon
Richard South
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.