Award-winning author Seymour Simon continues his fantastic journey through the human body, teaching young readers about the different kinds of muscles within the body, from those they control to the ones that work without their even knowing it. This nonfiction picture book is an excellent choice to share during homeschooling, in particular for children ages 6 to 8. It's a fun way to learn to read and as a supplement for activity books for children.

Seymour Simon knows how to explain science to kids and make it fun. He was a teacher for more than twenty years, has written more than 250 books, and has won multiple awards.

This book includes an author's note, glossary, and index and supports the Common Core Learning Standards, Next Generation Science Standards, and the Science, Technology, Engineering, and Math (STEM) standards.