Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
William Crookes
Randall Garrett and Laurence M. Janifer
George Terry
Bertram Gayton
C. H. Robinson
James E. Gunn
Horace Greeley
M. H. Spielmann
Mrs. Barbauld and John Aikin
Andre Norton
Harry Harrison
Roy Rockwood
Frederik Pohl and C. M. Kornbluth
Mack Reynolds
James Branch Cabell
Proclus, Tauros, and Julius Firmicus Maternus
M. R. James
William Curtis
Frederick Charles Lincoln
Various
Albert W. Aiken
Harold W. Fairbanks
Gordon Stables
Joseph LeConte
Robert E. Howard
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.