Incoming Resources
- Wheels and axles, by Kay Manolis
- Machines, Chris Oxlade
- Pulleys, by Kay Manolis
- Machines, Wendy Baker & Andrew Haslam ; written by David Glover ; photography by Jon Barnes
- Machines go to work, William Low
- Machines go to work in the city, William Low
- Wedges, by Kay Manolis
- Lever, screw, and inclined plane, the power of simple machines, by Gare Thompson
- A hole in the road, by Philip Ardagh ; illustrated by Tig Sutton