From back of the book:
Zocchi the dicemaker is famous for the high-quality little gambling stones he makes for players worldwide. But few people realize he is also a powerful magician, one of the oldest in the world. Among the inner circles of mages, he is known as "The Ancient One." If you are foolish enough to challenge him, you will discover that not only can he cast powerful spells, he can use one of his magic dice bags as amace or a shield. And you do NOT want to see what can come o ut of his magical top hat .."