A Dog\'s Purpose : Paperback : St Martin\'s Press : 9780765330345 : 0765330342 : 15 Jun 2011 : \"A Dog\'s Purpose\" is not only the emotional and hilarious story of a dog\'s many lives, but also a dog\'s-eye commentary on human relationships and the unbreakable bonds between man and man\'s best friend. This moving and beautifully crafted story teaches that love never dies, that true friends are always here, and that every creature on Earth is born with a purpose.