Incoming Resources
- Wheels around, Shelley Rotner
- Hubert invents the wheel, Claire & Monte Montgomery ; illustrations by Jeff Shelly
- Wheels and axles, Andrea Rivera
- Ruedas, ruedas, a rodar, Wheels, wheels, let's roll
- Fred Flintstone's adventures with wheels and axles, bedrock and roll!, by Mark Weakland ; illustrated by Alan Brown