Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
J. S. Fletcher
William Le Queux
Mildred A. Wirt
Kurt Matull and Theo von Blankensee
Mark Twain
Kay Cleaver Strahan
Kurt Matull, Felix Hageman, and Theo von Blankensee
G. Sidney Paternoster
Arthur Conan Doyle
Edgar Wallace
Octavus Roy Cohen
Nicholas Carter and Roland Ashford Phillips
Edward G. Cheyney
Edmund Snell
William MacHarg and Edwin Balmer
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.