A young scientists guide to natural satellites called moons, including how they interact with other elements in the universe and emphasizing how questions and observations can lead to discovery.This new series for ages six and up invites young explorers on an adventure Across the Universe to discover the wonders of the cosmos and how they relate to life on Earth. Simple text set within a technology-themed design encourages curious minds to make observations and comparisons, while a hands-on activity in each book provides further exploration of a scientific concept presented.