There is always plenty of action and adventure when The Happy Hollisters have a case to solve! Get in on the excitement with Volume 3: The Happy Hollisters Action! Adventure! Coloring and Activity Book—more than 60 coloring and activity pages to provide hours of fun for Happy Hollisters fans of all ages. The scenes included are digitally modified reproductions of illustrations drawn by Helen S. Hamilton for the original 33-volume mystery series by Jerry West, and the activity pages include secret codes, writing prompts, puzzles, and word games developed by the publisher. A portion of the proceeds from the sale of this book will be donated to the Fleisher Art Memorial in Philadelphia to honor the memory of artist Helen S. Hamilton.