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 big is the universe?" "What makes the stars shine?" "Why does the moon change shape" Each program comes complete with its own study guide containing a glossary, additional questions and suggested learning strategies.