This No.1 Sunday Times bestseller tells the heart-warming tale of how a wiggly yellow fur ball of a puppy could grow into a barrelling, ninety-seven pound stramroller of a Labrador retriever who would prove that unconditional love comes in many forms. John and Jenny were just beginning their life together. They were young and in love, with a perfect little house and not a care in the world. Along comes Marley, mischievous, hyperactive and so unruly he is expelled from obedience school. How could they possibly know that this incorrigible dog could teach them more about love for life than they could hope to teach him?Since becoming a major motion picture, starring Jennifer Aniston and Owen Wilson, this heart-warming and unforgettable story of a family and their haphazard dog has become a timeless family favourite.