The Award-Winning, Tell Me Why series based on the books by Arkady Leokum, gives informative and easy to understand answers to the many types of questions that children ask about everyday subjects, in a simple and entertaining manner. Answers questions such as "How does the body make blood cells?" "What do veins do?" "What does salt do for the body?" "What is an addict?" Each program comes complete with it's own study guide containing a glossary, additional questions and suggested learning strategies.