The Tell Me Why Series, based on the books by Arkady Leokum, gives informative and easy-to-understand answers to the many questions children ask about everyday subjects. This program answers questions such as "How does the body make blood cells?" "What do veins do?" "What does salt do for the body?" and "What is an addict?" Each program comes complete with its own study guide containing a glossary, additional questions and suggested learning strategies. Grades 1-6. 30 minutes on DVD.