Discusses the nature and effects of allergies, who gets them, how they develop, the different kinds, and how they are treated.

Gives an overview of the state of Vermont, including its history, geography, people, and living conditions.

Describes the physical characteristics and behavior of lions, as well as some of the threats they face.

An overview of the state of Alaska, including its history, geography, people, and living conditions.

Introduces the fundamentals of Islam through the eyes of a Muslim child living in Detroit.

Provides an overview of the state of Alabama, covering its history, geography, economy, people, and points of interest.

Provides an overview of the state of Missouri, covering its history, geography, economy, people, and points of interest.

An introduction to this gentle, intelligent breed of herding dogs, covering its history, development, habits, and required care.

Introduces the workings of various kinds of simple machinery with moving parts, such as pulleys, levers, gears, cams, and conveyor belts and provides instructions for building these machines out of cardboard and other easily obtainable materials.

Provides an overview of the Ocean State, including its history, geography, people, and living conditions.