A complete guide for the beginning backgammon player with samplegames and winning strategy.

General information on the history of these rodents and instructions for raising them as pets.

UFO sightings are traced from earliest times to the present withexplanations presented in terms of natural phenomena or military and scientific activities.

Discusses the research of Mendel and Darwin, cell structure, DNA, mutation, heredity vs. environment, and controlling heredity.Includes projects in these areas, designed for self-discoveringgenetic principles.

Max learns a more sophisticated word than the ones his sister tries to teach him. Max's big sister, Ruby, tries to teach Max to say several new words, but his new word will surprise and delight toddlers.

When Ruby lets go of his carriage, Max races down a hill, over a bump, up in the air, down between two trees, and back into the carriage which finally stops in a pile of leaves.

Describes the natural environment and activities of a river otter including mating and caring for her young.

Explores the origins of the Winter Olympics, recaps the games from 1924-1976, and presents profiles of some of the athletes participating in these games.

A history of Cuba including a discussion of the way of life today in that now-Communist country.

Discusses the menstrual cycle, abnormalities and their treatment, and the significance of menstruation in one's life.