Newland, Sonya

Explains the events that caused each of the five great mass extinctions, the first about 450 million years ago to the most recent 70,000 years ago.

Looks at the history of space exploration, discussing the milestone achievements, the failures and more.

Studies creatures of woodland areas and examines their habitat, which animals are threatened, and how conservation efforts are helping.

Discusses how animals of wetland ecosystems are adapting to the harmful effects of climate change, pollution, and habitat loss and describes some endangered species in this habitat.

Describes rain forest ecosystems, endangered species of tropical and temperate rain forests, and conservation efforts that may make a difference.

Presents endangered species of the North and South pole ecosystems, discusses the harmful effects global warming and human activities have on them, and introduces conservation efforts. Includes maps, diagrams, reading quiz, and ways readers can contribute.

Discusses the creatures that depend on our planet's ocean ecosystems, the efforts being made to save endangered species of the oceans from overfishing, contamination, and global warming, and makes suggestions on how to contribute to conservation efforts.

Discusses animals of mountain region ecosystems and ways to save endangered species from deforestation, fragmentation, and poaching.

Describes the different animals that live in grassland ecosystems around the world, discusses ways conservation programs are attempting to recover endangered species from overhunting and habitat loss, explores how readers can get involved with conservation efforts, and includes maps, diagrams, and reading quiz.