Grab a crayon and fire up your imagination! For the first time since Harold started adventuring in 1955, readers have the opportunity to immerse themselves in Harold's world like never before! In this unique story-driven activity book, the text prompts readers to break out their crayons, purple or otherwise, and use their imaginations to complete an activity on every spread. Readers will help Harold explore the bottom of the ocean and the tops of trees, escape monsters, pirates, and dragons, and more in this imaginative adventure that can be read over and over again! Features a movie burst on the cover.