What's the Worst That Could Happen? — Donald E. Westlake

TRUMPED!
Don't cross Dortmunder. Not even if you're a billionaire tycoon. Especially if you're a billionaire tycoon. Because Dortmunder has his code of honor, and Max Fairbanks, master of the universe, has just crossed over the line.

Fairbanks's crime! Interrupting Dortmunder in the middle of a -robbery was one thing, but having the audacity to steal the' robber's lucky ring-right under the nose of the police--Was simply too much. Now, while Fairbanks is laughing all the way to his next board meeting, Dortmunder is shaking the cops and putting together a crew. The thief and his gang are aiming straight for Fairbanks's many plush residences, from Manhattan to Las Vegas. One by one, they're going to rob Max Fairbanks blind, until they get that lucky ring...