In this clever, convivial picture book, an Indian boy untangles a mathematical conundrum to win a place at the Rajah's court. In ancient India, a boy named Bhagat travels to the Rajah's city, hoping to ensure his family's prosperity by winning a place at court as a singer. Bhagat carries his family's entire fortune--a single coin and a chain of seven golden rings--to pay for his lodging. But when the innkeeper demands one ring per...