In the irreverent spirit of A.J. Jacobs and Michael Moore, Keep the Change by Steve Dublanica is a pavement-pounding exploration of tipping, a huge but neglected part of the American economy--the hilarious and eye-opening follow-up to his smash-hit New York Times bestseller Waiter Rant. Subtitled "A Clueless Tipper's Quest to Become the Guru of the Gratuity," Keep the Change follows the popular blogger known as "the Waiter" from restaurant to casino to strip club and beyond as he explores what to tip and how tipping truly plays out in practice in a...