Book 46

Jet Planes

by Ray Broekel

Published 1 June 1987
Explains what jet propulsion is, Newton's third law of motion, the history of jet aviation, and jet plane designs.

New True Books

by Clark Broekel and Ray Broekel

Published 1 February 1981

Trucks

by Ray Broekel

Published 1 March 1983
Text and photographs describe truck engines, fuel, bodies, tractor trailers, and the specialized types of trucks used to haul or convey specific merchandise.

Trains

by Ray Broekel

Published 12 December 1981
An elementary introduction to trains, what they do, train workers, and kinds of railroad cars.