Helen Frost

Simple text and photographs present the lives of jaguars that live in rain forests in Central and South America.

Simple text and photographs present puffins, where they live, and what they do.

An introductory look at a dentist's office, including the equipment found there, what the dentist does during a check-up, and cavities.

Simple text and photographs present snow, how it is formed, and how it affects the Earth and people.

Simple text and photographs present the lives of boa constrictors that live in rain forests of South America.

Simple text, photographs, and diagrams introduce the muscular system and its purpose, parts, and functions.

Uses simple text and photographs to explain how the sense of touch works.

Simple text, photographs, and diagrams introduce the nervous system and its purpose, parts, and functions.

Simple text and photographs present the features and behavior of an unusual species of ants.