The Lone Wolf is the nickname of the fictional character Michael Lanyard, a jewel thief turned private detective in a series of novels written by Louis Joseph Vance. "The Lone Wolf" series was so popular that it was featured in eight books and 24 films between 1914 and 1949, and also appeared in radio and television series.
Contents:
The Lone Wolf
The False Faces
Alias The Lone Wolf
Red Masquerade: Being the Story of The Lone Wolf's Daughter
The Lone Wolf Returns

Louis Joseph Vance was an American detective fiction author whose books inspired a lot of movies and radio plays.