The Circle of Reasonbegins with a head. It is a huge head, several sizes too large for an eight-year-old boy, and bulging all over with knots and bumps. The head belongs to a young weaver, Alu, a child of preternatural talent, leading him into a series of adventures that takes him from his home in an Indian village through the slums of Calcutta, to Goa and across the sea to Africa.