How many planets are in our solar system? What is the environment like on these other worlds? When did people first see them? The books in this series are an accessible and engaging introduction to the planets in our solar system. Young readers will learn about the physical features and conditions of each planet; their orbit, spin, and position in the solar system; any moons or other satellites; and the history of humans’ observation and exploration of each planet.
Number of Titles: 9
Interest Level: Grades 1-4
Guided Reading Level: O
Lexile Level: 880-1050
ISBN: 9781508102885 (Print) 9781625135261 (E-book)