Harrison and His Dinosaur Robot and the Purple Spotted Sea Monster

On a hot summer''s day, Harrison and his dinosaur robot decide to share their new wading with their friends... until a purple spotted sea monster comes along wanting the pool to itself. Can Harrison and dinosaur robot come up with a way to defeat the mysterious bully sea monster and teach it a lesson on sharing? Find out in this fun, humorous and colorful third book in the "Harrison and his Dinosa...