Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Plato
Edgar Allan Poe
Erasmus Darwin
Christiaan Huygens
Thomas Wood
Emanuel Swedenborg
Ernst Lehrs
Camille Flammarion and J. F. Blake
Thomas Burnet
Robert S. Ball
Louis Figuier
Florence M. Grimm
Johannes Schlaf
Paul Dahlke
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.