Uses brief text, illustrations, quizzes, and games to explain about the human body, emotions, families, world population and peace.
- ISBN10 0716688034
- ISBN13 9780716688037
- Publish Date 12 December 1961 (first published 1 December 1961)
- Publish Status Active
- Publish Country US
- Imprint World Book
- Format Paperback (US Trade)
- Pages 24
- Language English