Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Alfred Neighbor
James Orton
H. Harold Hume
Marie Carmichael Stopes
Various
Jack McKenty
J. Knox Jones, Robert G. Webb, and George William Byers
Edward Bindon Marten
Harriet Stark
Sir John William Dawson
James Means
William Whiston and Francis Hauksbee
Oxford graduate
Murray Leinster
H. Thompson Rich
Frank Herbert
Thomas Henry Huxley
Samuel Wells, Mary Treat, and Frederick Leroy Sargent
Philip K. Dick
Julia McNair Wright
Everett B. Cole
A. E. H. Tutton
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.