U X L encyclopedia of science

By David E. Newton, Rob Nagel, Bridget Travers

Includes more than 550 topics in the life, earth, and physical sciences as well as in engineering, technology, math, environmental science, and psychology.

U X L encyclopedia of science

By David E. Newton, Rob Nagel, Bridget Travers

Includes more than 550 topics in the life, earth, and physical sciences as well as in engineering, technology, math, environmental science, and psychology.

U X L encyclopedia of science

By David E. Newton, Rob Nagel, Bridget Travers

Includes more than 550 topics in the life, earth, and physical sciences as well as in engineering, technology, math, environmental science, and psychology.

U X L encyclopedia of science

By David E. Newton, Rob Nagel, Bridget Travers

Includes more than 550 topics in the life, earth, and physical sciences as well as in engineering, technology, math, environmental science, and psychology.

U X L encyclopedia of science

By David E. Newton, Rob Nagel, Bridget Travers

Includes more than 550 topics in the life, earth, and physical sciences as well as in engineering, technology, math, environmental science, and psychology.

Endangered species

By Rob Nagel

Entries on 200 extinct, endangered, vulnerable, and threatened animals and plants describe the individual species, its habitat and current distribution, and efforts to protect and preserve it.

Endangered species

By Rob Nagel

Entries on 200 extinct, endangered, vulnerable, and threatened animals and plants describe the individual species, its habitat and current distribution, and efforts to protect and preserve it.

Endangered species

By Rob Nagel

Entries on 200 extinct, endangered, vulnerable, and threatened animals and plants describe the individual species, its habitat and current distribution, and efforts to protect and preserve it.

Endangered species

By Rob Nagel

Entries on 200 extinct, endangered, vulnerable, and threatened animals and plants describe the individual species, its habitat and current distribution, and efforts to protect and preserve it.

Dangerous Planet The Science of Natural Disasters 3 Vol. set

By Diane M. Sawinski, Phillis Engelbert, Rob Nagel, Betz Deschenes