Twist, Clint

Presents a general introduction to reptiles and amphibians, cold-blooded animals whose bodies do not produce heat, and features an alphabetical listing that provides brief descriptions and illustrations of various species of crocodiles and alligators, snakes, lizards, turtles and tortoises, frogs and toads, and newts and salamanders.

Discusses the properties and sources of water and its uses, including newer applications such as hydroelectricity. Includes experiments and projects throughout.

Covers the different methods of reproduction of various species, genetics, heredity, and the implications of genetic engineering, including appropriate hands on projects.

Profiles twelve vehicles of the land, sea, air, and space, including a tank, a dump truck, the carrier "Nimitz," the B2 bomber, and the "Saturn V" rocket, describing their parts, unique features, and capabilities, and providing see-inside illustrations.

Teaches children about electricity, discussing what electricity is, where it comes from, and how it is used in everyday life.

Describes the characteristics of hurricanes and other kinds of storms, the damage they may cause, and possible protective measures.

Examines the diverse life forms found in the world's oceans and the threats they face.

Presents an A to Z alphabet book on endangered animals, habitat destruction, extinction, and protective measures on species such as the American crocodile, black rhinoceros, cheetahs, giant pandas, and the Siberia tiger, one of the world's most endangered of the big cats.

An encyclopedia of science and technology covering the origins and development of living things, including humans, and discusses the structures and processes in living things that make life possible.

An encyclopedia of science and technology that explores the relationships among living things and focuses on the impact of human activity on nature.