Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Edmond Hamilton
Murray Leinster
Henry A. Gleason
Julia Ellen Rogers
Various and Royal Society
William Swainson
O. S. Fowler and L. N. Fowler
E. V. Odle
Marie Corelli
Philip K. Dick
Paul Leland Haworth
E. E. Smith
Carl von Linné
Various
James Law
Hereward Carrington
L. H. Bailey
Andrew Lang
Harvey Washington Wiley
Edward Turner Bennett
Thomas Henry Huxley
graf Leo Tolstoy
T. Iyenaga
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.