Seymour Simon

Describes the physical characteristics and behavior of various kinds of gorillas.

Provides a basic introduction to the physical characteristics and behavior of dogs.

This book describes the nature and work of muscles, the different kinds, and the effects of exercise and other activities on them.

Describes what is known about Mercury from the photographs taken by Project Mariner.

Describes the physical characteristics and behavior of various members of the family of animals known as crocodilians.

"It took 70 days to prepare a pharaoh's body for burial. First, the organs had to be removed from the body. Only the heart was left because Egyptians believed that it contained the soul."--BOOK JACKET.

Describes the sixth planet from the sun, its rings, and its moons, and includes photographs taken in outer space.

Introduces exoplanets, examining the planets outside of our solar system, discussing what makes them habitable, and exploring the efforts to discover new life.--

Text and photographs describe features of the red planet.

A basic introduction to Earth's closest neighbor, its composition, and man's missions to it. Illustrated with photographs of the moon taken in space.