Presents a complete biology handbook with text and illustrations, glossary of terms and short biographies of those who excelled in the field.

Contains a history of the subject of geometry, including more than 3,000 entries providing definitions and explanations of related topics, plus brief biographie

It’s never too early to learn about the body! This biology book will educate your little learner on the human body - and not just the physical body parts at t

More than two thousand alphabetically arranged entries cover topics in subjects ranging from cell metabolism and nutrition to organic and physical chemistry.

Defines more than 5,000 terms used in the field of environmental science.