The case of the grinning gorilla

Erle Stanley Gardner (July 17, 1889 – March 11, 1970) was a prolific American author. A former lawyer, he is best known for the Perry Mason series of legal detective stories, but he wrote numerous other novels and shorter pieces and also a series of nonfiction books, mostly narrations of his travels through Baja California and other regions in Mexico. The best-selling American author of the 20th century at the time of his death, Gardner also published under numerous pseudonyms, including A. A. Fair, Carl Franklin Ruth, Carleton Kendrake, Charles M. Green, Charles J. Kenny, Edward Leaming, Grant Holiday, Kyle Corning, Les Tillray, Robert Parr, Stephen Caldwell, and once as the Perry Mason character Della Street ("The Case of the Suspect Sweethearts"). Three stories were published as Anonymous ("A Fair Trial", "Part Music and Part Tears", and "You Can't Run Away from Yourself" aka "The Jazz Baby")