Beginning readers explore the important concept of comparing and contrasting objects by weight in a way that is both fun and educational. Bright illustrations featuring cartoon dinosaurs accompany easy-to-follow text that introduces early learners to the distinction between "heavy" and "light." Readers will be drawn to the colorful pages featuring dinosaurs interacting with common objects and animals in a way that clearly shows the difference between those that are heavy and those that are light. This essential concept is reinforced in a concluding graphic organizer that highlights these antonyms as well as the other vocabulary words introduced throughout the book.