"The Further Adventures of Jimmie Dale" by Frank L. Packard

Packard was a Canadian novelist who was particularly beloved for his Jimmie Dale character. In this book, the titular character, a wealthy playboy during the day and a thief at night, finds himself on a set of adventures as he tries to maintain the ruse of his lifestyle. By doing so, he's able to continue his endeavors of stealing from the wealthy to give back to the poor.