Laurence Pringle's introduction to a high-interest topic for preschoolers is exemplary for its simple text which manages to convey basic information about dinosaurs and paleontology without talking down to his audience. Carol Heyer's realistic full-color acrylic paintings illustrate the text perfectly as she depicts scientists at work, several species of dinosaurs and, in one case, three possibilities scientists have suggested as to how plates fit onto the body of a Stegosaurus. (Ages 3-6)

Meat-eating and plant-eating dinosaur species are represented with a brief description of their physical characteristics. The meaning of scientific names and phonetic pronunciations within the text are helpful, and the work and findings of paleontologists are explained presents some recent theories regarding parenting behavior, hunting, and defense techniques.