Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Mildred A. Wirt
Morgan Scott
Old Sleuth
Lawrence L. Lynch
Ronald Arbuthnott Knox
Ambrose Newcomb
Jacques Futrelle
Nicholas Carter
Mrs. Henry Wood
E. Phillips Oppenheim
Edith Lavell
Arthur Conan Doyle
Allan Pinkerton
Anna Katharine Green
Nat Ridley
Victor Bridges
Howard Pease
Leo Edwards
Rodrigues Ottolengui
Van Powell
B. L. Farjeon
Edward L. Wheeler
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.