Why Do I?

Want to know how arteries carry oxygen-rich blood throughout our bodies and what blood type means? Fun illustrations and entertaining text help give kids a clear understanding of the blood and circulatory system.

Want to know how bones, fingernails, and hair form and grow throughout our lives? Fun illustrations and entertaining text help give kids a clear understanding of how our bodies grow and change throughout our lives.

The human body is amazing, and at times, disgusting. Fun illustrations and entertaining text help give kids a clear understanding of bodily functions related to the digestive system, as well as useful facts about how the body works.

Is it the cat, a dandelion, or just a common cold? Fun illustrations and entertaining text help give kids a clear understanding of the everyday mechanisms required to create a sneeze. Readers will also love the everyday trivia pages that provide weird and wonderful facts about sneezing.

Want to know why you drool on your pillow or what your taste buds are for? Fun illustrations and entertaining text help give kids a clear understanding of the form and function of the mouth, tongue, and teeth.