Hall, Howard

This book tells about the habits and life of dolphins, from the bottlenose dolphin weighing 600 pounds to the harbor porpoise, weighing 75 to 100 pounds.

Text and color photos describe the physical characteristics, habitat, behavior, and physical evolution of dolphins, as well as the dangers they encounter from man.

Describes the kelp forest, the richest habitat of the sea.

Describes life in a kelp forest including where they are located, what lives there, and where to find one.

Contains photographs and information about sharks, looking at different shark varieties, and discussing their history, senses, hunting skills, reproduction, abilities and behaviors, and endangered status.

Looks at dolphins, exploring where they live, how they evolved, what senses they use, why their brains are so large, and how to prevent their extinction.

Describes the different types of sharks, explains what role they play in the oceans, and discusses why their populations are declining.