ExcavatorsA basic exploration of the parts, variations, and worksites of excavators, the big digging machines. Also included is a pictorial diagram of variations of excavators. Part of the Amazing Machines series From the heavy blades of bulldozers to the hauling bodies of dump trucks, heavy machinery and equipment have long been used in construction and demolition alike. Appealing to future builders, mechanics, and engineers, this series explores the continued

this becomes all-important to even the youngest among us

A kindergarten-level introduction to balers

ISBN 978-1-64026-066-5

it takes on a deeper resonance

nations have employed Wartime Spies to stay one step ahead of the enemy

A folk tale explains why these creatures have long necks

and habitat of antelopes

lights glow in the distant town

an enormous flesh-and-blood wolf (in business garb

Each title includes a brief history and forecasts what the future might hold for these unique crafts

Kelley learned about the Hellfighters while researching World War I for And the Soldiers Sang

ISBN 978-1-60818-195-7