The PDSA Dickin Medal--regarded as the animals' Victoria Cross--has been awarded to just 64 animals, from the Blitz to present day, for their courage in times of crisis. Among these incredible true-life stories you will meet G.I. Joe the plucky pigeon, who rescued over 100 lives by flying twenty miles in twenty minutes to deliver a message in World War II; Theo the steadfast springer spaniel, who served as a bomb-detection dog in Afghanistan; Rip...