A four-volume set containing questions and answers about such things as the world around us and how it began, the human body, how other creatures live, and how things are made.
- ISBN10 0448225018
- ISBN13 9780448225012
- Publish Date 20 May 1986
- Publish Status Active
- Publish Country US
- Imprint Grosset & Dunlap
- Format Hardcover
- Pages 5
- Language English