John Allan

The Mighty Mechanics Guide to Marvellous Vehicles: Trucks, Tractors, Emergency & Construction Vehicles and Much More... - John Allan

The Mighty Mechanics' Book of Space: Rockets, Space Shuttles, Rovers, and More - John Allan

What's That Number?: Counting to 100 - John Allan

The Mighty Mechanics' Book of Amazing Farm Machines: Tractors, Harvesters, Drones, and More - John Allan