Captain Invincible and his intrepid space-dog, Comet, are on a perilous journey back to Earth Throughout their mission, the fearless captain and his canine sidekick encounter asteroids, poisonous gas, and alien beings. But will their knowledge of three-dimensional shapes, including cubes, cones, and pyramids, help our heroes navigate past these obstacles--and make it safely home? This nonfiction picture book is an excellent choice to share during homeschooling, in particular for children ages 5 to 7. It's a fun way to learn to read and as a supplement for activity books for children.

This is a Level 2 MathStart book, which is perfect for kids ages 6 and up. The MathStart series uses funny stories and colorful art to show kids that they use math every day, even outside of the classroom Each book features an activity guide to have fun with the math concepts presented in the story.