A brief account of circus life as the circus moves from town to town and all prepare for the next show.

Briefly introduced some distinctive characteristics, habits, similarities, and differences of a number of different insects.

Photographs and text describe marine life displayed in public saltwater and freshwater aquariums. Includes instructions on how to set up, stock, and maintain your own aquariums and terrariums.

An introduction to Indian and African elephants, including what they eat, how they live, and how they are captured and tamed.

Describes in simple text how the Indians of the sea coast, plains, deserts, swamps, and woodlands lived and how their way of life was influenced by the environment.

Presents various methods of telling time by using such instruments as the shadow stick, sundial, candle clock, rope clock, water clock, hourglass, and the modern clock.

Explains how the remains of an animal or plant fossilize over millions of years, where fossils may be found, and what we can learn from them.

Highlights basic information about the history of helicopters, their parts and how they function, and the types and uses of whirlybirds.

Discusses the history of money as a form of exchange in the world and in the United States, and suggests things to do with money not being spent right away.

Briefly describes the work performed by a variety of animals around the world, including dogs, cats, llamas, zebras, and yaks.