A stunning and moving new novel from Michael Morpurgo, the nation's favourite storyteller - featuring the bravest dog in all the world...This is the story of Aman, as told in his own words - a boy from Afghanistan fleeing the horror of the Afghan war.

When a western dog shows up outside the caves where Aman lives with his mother, Aman is initially repulsed - it is not customary for people to keep dogs as pets in his part of the world.

But when Aman and his mother finally decide to make a bid for freedom, the dog Aman has called Shadow will not leave their side.

Soon it becomes clear: the destinies of boy and dog are linked, and always will be...