Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Gaston Leroux
Oliver E. Remey, Henry F. Cochems, and Wheeler P. Bloodgood
George C. Gorham and Stephen J. Field
Nicholas Carter
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.