physiology

Examines the physiology, characteristics, habits and behavior of different reptiles, including crocodiles, snakes, lizards, tortoises and turtles.

Combining the latest findings from the field of neuroscience with expert text and state-of-the-art illustrations, "The Human Brain Book" is a complete guide to the one organ in the body that makes each person a unique individual. Includes an interactive DVD.

Features 250 illustrations designed to help students learn about and understand the body's processes.

Offers advice to parents on how to talk to their daughters about menstruation, with execises and activities designed to spur communication, information for fathers and brothers, and related stories from girls and women.

A guide for girls explaining both the physical and psychological aspects of puberty.

Describes the ways in which each of the five senses benefits a variety of animals, from the far-ranging, food-sighting vision of vultures to the sensitive, wave-detecting chin hairs of seals.

Offers boys going through puberty an overview of the physical and emotional changes they are facing and answers the questions they might have about what is normal and what they are feeling.

Looks at the ways in which different animals use their ears, eyes, mouths, noses, feet, and tails.

Describes the ears and sense of hearing of such diverse animals as the beetle, dolphin, drum fish, oilbird, and snake.