This is the miraculous and triumphant story of a young man who rediscovers not only his childhood life and home, but an identity long-since left behind. At only five years old, Saroo Brierley got lost on a train in India. Unable to read or write or recall the name of his hometown or even his own last name, he survived alone for weeks on the rough streets of Calcutta before ultimately being transferred to an agency and adopted by a couple in Australia....

Describes how the author was accidentally separated from his family and home in India as a child, how he survived as an orphan in Kolkata, his adoption by an Australian family, and his search for his biological family as an adult.