Dogs are renowned for their loyalty, and those saved from animal shelters or rescue groups seem to be especially devoted to the humans who have offered them a second chance. In this extraordinary collection, meet the brave dogs that have shown incredible courage - even risking death - to protect their people. There's Leala, the Staffy who raced for help when her two-year-old owner fell in a dam; Buddy, the labrador who licked his owner awake to save her from a house fire; and Brian, the pit bull who valiantly fought off three other dogs to protect his owner Debbie. From unforgettable moments of courage to heart-warming tales of true loyalty, these are the stories of some of the most heroic rescue dogs in the world.