The compelling true story of how a casino enabled a compulsive gambler to become one of the biggest gamblers in the world Mr. Z by Don Zarin is a true story that takes you behind the scenes to show how a casino’s actions enabled a compulsive gambler to get to levels never seen before. The book brings the reader into one of the craziest periods in gambling history. It reveals the back story to the beginning of casino gambling in Atlantic City and the gambling scandal that ensued between David Zarin and Resorts Casino International. David Zarin was known as Mr. Z at Resorts Casino International in Atlantic City New Jersey in 1978 when casino gambling began. He was a complex man; a consummate risk-taker gregarious and exciting to be around qualities that made him a successful entrepreneur and enticing ladies’ man…and eventually a fearless fixated and driven gambler. “Mr. Z” ultimately became at that time the largest gambler on a sustained basis anyw