Space Travel explores the science and machines we use in space. Kids will explore the International Space Station, learn about the rovers on the moon and Mars, find out which spacecraft has traveled out of our solar system and more. Engaging photos, exciting graphics, and a fun quiz at the end of each book will keep them learning. Aligned to Common Core Standards and correlated to state standards. Super Sandcastle is an imprint of Abdo Publishing, a division of ABDO.