Mighty excavators and powerful dump trucks--young children's favorite earth-moving machines are all here in superb full-color photos. Why does a bulldozer have catapillar tracks? What machines are used to build roads and tunnels? Simple text and detailed illustrations will satisfy curious preschoolers who are busy learning about their world.
- ISBN10 0689715161
- ISBN13 9780689715167
- Publish Date 1 September 1991
- Publish Status Out of Stock
- Publish Country US
- Imprint Simon & Schuster
- Format Paperback
- Pages 21
- Language English