Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Alfred Russel Wallace
Alfred Powell Morgan
H. G. Wells
L. Frank Baum
Camille Flammarion
Baron Edward Bulwer Lytton Lytton
Edgar Rice Burroughs
United States. Central Intelligence Agency
George MacDonald
Marcus Tullius Cicero
Ontario. Department of Education
Ray Cummings
Philip K. Dick
Benedictus de Spinoza
Plato
Lord Dunsany
Neil R. Jones
George Chetwynd Griffith
Charles Darwin
Ingersoll Lockwood
Augustus De Morgan
Nikola Tesla
George A. Romero
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.