Discusses the physical characteristics of several endangered, extinct, and prehistoric species of insects.

Describes what is known of the history and habits of the North American bird that once numbered in the millions before becoming extinct in the early twentieth century.

Briefly describes a variety of animals, including lemurs, apes and monkeys, parrots, and elephants, which are endangered or already extinct as a result of man's destruction of their forest habitats or man's poaching and hunting.

Briefly describes creatures from ocean, coastal, and island habitats that are extinct or currently endangered, such as the blue whale, monk seal, and dodo.

Briefly describes creatures from river, lake, or wetland habitats that are extinct or currently endangered, such as the Amazon River dolphin, crested ibis, pygmy hog, and painted terrapin.

Text and illustrations describe the ancient cave bears, including how they lived and how they became extinct.

Text and illustrations describe Tasmanian tigers, including how they lived and how they became extinct.

A century and a half after cloned dinosaurs forced humans to move into underground compounds, Sky discovers a clue to the whereabouts of her long-missing father and ventures above ground on a quest that has the potential to save the world.

Profiles the American bison and how conservation efforts brought it back from the brink of extinction.

"California condors once soared the US Pacific Coast, but by 1982, their dwindling numbers forced conservationists to bring the few remaining birds into captivity. California Condor follows the condor's journey from its brush with extinction to today's efforts to eliminate lead poisoning and other threats that continue to endanger the species. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject. Features...