Percy the Park Keeper helps his animal friends in this engaging story from highly-regarded, best-selling author-illustrator Nick Butterworth. Includes a fabulous fold-out poster! A storm is raging outside and Percy the Park Keeper is having a sleepless night. When he gets up the following morning, Percy finds that the old oak tree has been blown down. It is a disaster for his animal friends who live there, but Percy is soon devising a plan to help his little friends find new homes in the best tree house they have ever seen!