Opening the shelf…
Book dossier
by Caroline Young
Describes and illustrates the different kinds of digging machines and cranes.
Moving the earth
Nichols, Herbert L.
Modern diesel technology
Robert Huzij
Tractors at work
D. R. Addison
Bulldozers at work
Dinosaur dig
Penny Dale
Dump trucks and other big machines
Ian Graham
Big Noisy Trucks and Diggers
Caterpillar
Diggers
Paul Stickland
I wonder why tunnels are round
Steve Parker
