The Postman Always Ring-A-Ding-Ding's

The Postman Always Ring-A-Ding-Ding's is a mystery novel.

History
The book is one of the "25 Books to Read Before You're Murdered", a list of crime novels that Chief Wiggum got a librarian to compile.

Behind the Laughter
The book is a reference to the crime novel , by, and the Frank Sinatra phrase "Ring-A-Ding-Ding!", which was later turned into a song and. The author, James M. Sinatra, is a reference to both Cain and Sinatra.