Howl with laughter and squeal with delight at this monstrously exciting new picture book from number one bestselling author David Walliams, illustrated by the awesome Adam Stower!Howler is a SMALL werewolf with a BIG problem.He is just not SCARY! And that makes him the odd one out at Monster School…But when Howler finds some new friends, he discovers that being the ODD one out might just make him the COOLEST one of all…With giggles on every page, this hilarious new picture bo