Explains the mechanics of the telephone instrument and the operations of a telephone company.

Surveys different types of trucks around the world, discussing how they operate and what they do.

An introduction to the characteristics and uses of different types of helicopters.

Describes various atmospheric conditions and explains how they are created and how they bring about particular weather.

Explains how planes are able to stay airborne, describes the inner workings of fifteen aircraft, including a hot-air balloon, supermarine spitfire, Lockheed C-130 Hercules, and Boeing CH-47 Chinook, and features cutaway illustrations and a glossary.