The second fantastic book in the series about four friends who want to make the world a better place.
Izzy and Poppy are being taking their boisterous dog, Billy, for a walk when he lands in the river. It is so choked with rubbish that Billy can't get out. A brilliant series about the small changes that make a big difference, with themes of environmentalism and friendship.
Holly Webb is one of Britain's best-loved children's writers. She has written over a hundred books for children, and her work has been translated into over thirty languages. Holly lives in Tilehurst, just outside of Reading, Berkshire, with her husband, three children and several cats.