Thunder City — Loren D. Estleman

A novel of Detroit

Harlan Crownover, scion of a great family of carriage makers, battles with his father to invest in a company run by Henry Ford. Desperate for funds, Harlan turns to Big Jim Dolan, the Midwest's most powerful political boss, and Sal Borneo, a visionary mafioso struggling to bring the commerce of vice into the new century. Allies at first, Harlan soon discovers how quickly friends can become mortal enemies....