Birds and animals joining and leaving the group introduce basic principles of adding and subtracting.

Traces the origins of more than 100 eponymous words--words derived from the names of people or places. For example "sandwich" is an eponymous word from the eponym, Earl of Sandwich, the man who invented sandwiches.

Thirty common English phrases, such as "a chip off the old block" and "cry over spilled milk" are illustrated and explained.

Describes the creation of the huge statue given by France to the United States and its erection in New York Harbor as a symbol of liberty.

Explains what comets are, how they are formed, and how their unusual orbits bring them into earth's view at predictable intervals, with a special focus on Halley's comet.

Discusses both hypothetical and historical voyages of discovery to America by the Phoenicians, Saint Brendan of Ireland, the Vikings, and such later European navigators as Columbus, Cabot, and Magellan.

Describes the varieties, habitats, behavior, and physical characteristics of bats.

Describes the origin and nature of tornadoes and how to stay safe when threatened by one of these dangerous storms

Illustrates and explains over 100 common English idioms, in categories including animals, body parts, and colors.

A family crosses a river on a ferryboat and observes how the ferry operates.