As with the first 8 of the books in the series, book 9, Grime and Punishment will be popular with students who enjoy goofy humor and overall silliness. We meet up again with the half policeman, half dog only to find he has been fired from the police. With the help of his friends will he be able to become part of the again? With the creation of a personality amplifier helmet getting in the wrong hands of the evil Petey the Cat all chaos ensues. The entire town is attacked by not only Petey but a crazed, out of control, giant lunch sack!

This book is great for students who may not enjoy reading. It is an obvious must purchase if the series of popular at your school. With the multiple endings and flip animations elementary students who love graphic and comic books will enjoy this one.