3 popular Hands on Science Books bound in one Big Book! Get the big picture about the Solar System, and Galaxies and Universe as your students become fascinated by the interesting information about the Sun, Earth, Moon, Comets, Asteroids, Meteoroids, Stars and Constellations. With Travel & Technology, students learn what it is like to live in space as they “blast-off” with manned and unmanned spacecraft. Grades 5-8.