Photographs and text describe such work-saving machines as a crane, jack hammer, bulldozer, and back hoe.
- ISBN10 0805052976
- ISBN13 9780805052978
- Publish Date 15 March 1997 (first published 1 June 1993)
- Publish Status Active
- Imprint Henry Holt & Company
- Format Paperback (US Trade)
- Pages 32
- Language English