The case of the empty tin; Evil under the sun; A pinch of poison

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...

Frances Louise Davis Lockridge was an American writer of mysteries. She created, with her husband Richard Lockridge, one of the most famous American mystery series, Mr. and Mrs. North.

Richard Lockridge was a writer known for his contributions to humor. His work includes the collection A Subtreasury of American Humor.