Take a trip around our solar system, Find out how Pluto was named, See amazing snapshots from space & Learn more than forty fun facts about our universe. Level 2 includes longer sentences with richer vocabulary, type set line to line to aid readability, varied photographic treatments, and brief chapters with simple illustrated diagrams and a glossary. Special features include How Big?, Take a Close Look, Did You Know?, Words to Know, Fun Facts and full color photographs, as well as a full page, simply labeled diagram showing body parts. Ages 6+.