Susan Heinrichs Gray

Describes some of the main deserts around the world, how deserts are formed, and some of the plants and animals found in these dry areas.

Describes the physical features of a coral reef, its community of plants and animals, and environmental threats.

Briefly describes different types of grasslands, their plant and animal life, and environmental threats.

This brief history of ophthalmology discusses the development of new techniques and introduces famous medical innovators.

Describes the life of a whooping crane, focusing on its its first flight, physical characteristics, behaviors, migration, and reproduction. Today whooping cranes face extinction because of the loss of wetland habitats and the text provides information on what is being done to prevent it.

Presents information on the habitat, physical characteristics, and adaptations of camels. Includes critical thinking questions, a glossary, color photographs, and a list of additional resources.

Explores the history and current status of American mink as well as their physical features and behaviors. Explains how mink were once trapped and used to make mink coats and hats and discusses the prevalence of mink farms. Also describes what happened when mink went out of fashion and mink were released into the wild.

Explores the physical characteristics of the elephant seal and examines what is being done to save this species from extinction.

Describes the physical characteristics, behaviors, diet, and reproduction of the starling. Discusses why these birds, native to Europe and Asia, pose a threat to native birds and farm crops in North America, Australia, and South Africa.

Presents six hands-on experiments for young students to explore the science of seeds. Includes step-by-step instructions and a glossary.