Rand, Casey

Describes how vegetables are produced in large and small farms and the technologies used.

Explains how animals are classified into different categories according to physical, behavioral, and biological characteristics, from the largest branch to the smallest.

Presents detailed information about DNA and heredity in a question and answer format and includes color photos and illustrations, a glossary, and an index.

Explains the physical changes that occurs in humans to ready their bodies to reproduce. Also describes what happens during conception, pregnancy, and how a baby is delivered.

Text and photographs help readers explore the science concepts behind communication.

Provides an introduction to temperature, examining how it is measured and the history of measuring systems.

Provides an introduction to time, examining how it is measured and the history of measuring systems.

Presents information about sports through charts and graphs and discusses how to organize data in different visual forms.

A biography of the Founding Father George Washington.