Lizards On the Loose: A Collection of Dinosaur Cartoons is thirty pages long. The content is a series of twenty-seven illustrations with humorous captions. The captions are based on word play such as puns and alliteration. Also, each picture shows one or more cartoon dinosaurs engaged in an activity such as diving, playing football or dancing. This book may be appropriate for children, especially boys, between the ages of seven and ten years old.