Answers to such scientific riddles as "What birds have wings but never fly?" "What can fly under water?" and others.
- ISBN10 0803863209
- ISBN13 9780803863200
- Publish Date 1 January 1972
- Publish Status Out of Stock
- Out of Print 2 October 2008
- Publish Country US
- Imprint Hastings House Book Publishers
- Format Hardcover
- Pages 47
- Language English