In prohibition-era Southern California, real life detectives Charles D. Siringo and Dashiell Hammett must solve a mystery involving a ruthless politician—Joseph P. Kennedy. With sharp dialogue and rich historical background, Ragtime Cowboys is an exciting, suspenseful tale in which the Old West and Hollywood collide. Los Angeles, 1921: Ex-Pinkerton Charlie Siringo is living in quiet retirement when Wyatt Earp knocks on his door and asks him to track down his missing horse. What begins as horse thievery turns into a deeper mystery as Siringo and another ex-Pinkerton, the young Dashiell Hammett, follow clues that take them from the streets of Los Angeles to Jack London's farm, until they discover a conspiracy masterminded by the notorious and powerful Joseph P. Kennedy.

From the first page to the closing chapter, these ragtime cowboys chase the truth in Loren D. Estleman's compelling tale of the Old West and early Hollywood.