Sabin, Francene

Doris uses her magic string to help one of her ducklings learn to swim.

Explains how swamps and marshes are formed, describes the plants and animals that live in them, and discusses the importance of wetlands in nature's overall pattern.

Discusses the contribution made by the two men who in 1804-05 led an exploring expedition across the Oregon Territory to the Pacific Ocean.

A brief description of the Declaration of Independence and the Constitution, the documents on which the laws of our country are based.

Explains the causes of the American Revolution and traces events leading to the surrender of the British general Cornwallis at Yorktown in October 1781.

Describes the physical characteristics and behavior of ants.

A brief introduction to the invisible world of microbes and bacteria, what scientists have found out about these tiny creatures, and their importance to our daily life.

Discusses rocketry technology as it relates to the launching of satellites and the limitless usefulness of artificial satellites.

Describes the large sea mammals, related to cattle, sheep, and deer, which are interesting for their intelligence, their gentleness, and their adaptation to the ocean environment.