Incoming Resources
- Tow trucks, Kate Riggs
- Diggers and cranes, Clive Gifford
- Graders, by Mary Lindeen
- Backhoes, by Rebecca Pettiford
- Diggers, by Mari Schuh
- See how they work & look inside diggers, American edition editors, Johannah Gilman Paiva and Ashley Rideout ; illustrators: Simon Tegg & Ross Watton
- Dig it!, Kate Riggs ; illustrated by Laszlo Kubinyi
- Diggers, by Rebecca Pettiford
- This is my dump truck, by Chris Oxlade
- Big rigs, Quinn M. Arnold
- Scrapers, by Derek Zobel