This is a book that compares the size of dinosaurs to familiar things; such as, a door, toothbrush, basketball court, and a supermarket aisle. The book gives children an idea how large dinosaurs actually were. After the story, there is a list of dinosaurs and their sizes. ( )

This book brings the abstract concept of extinct dinsosaurs' size to students' in easy to understand terms. The author discusses dinsoaurs that are as big as basketball courts and school buses.