Night and day, whether you're asleep or awake, your heart is always beating. Read and find out how your heart works and how to keep it healthy. 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 Let's-Read-and-Find-Out Science title, which means the book explores more challenging concepts for children in the primary grades.