Prevost, John F

Describes the physical characteristics, habitat, food habits, and attack/defense mechanisms of this slow moving, snaggle-toothed shark.

Describes the physical characteristics, habitat, food habits, and attack/defense mechanisms of this shark species known for its dark, tiger-stripe markings.

Describes the physical characteristics, habitat, food habits, and defense mechanisms of the largest whale, whose only known enemy is man.

Describes the physical characteristics, habitats, food habits and defense mechanism of this short-snouted mammal that live in the northern waters of the Atlantic and Pacific oceans.

Describes the physical characteristics, habitats, food habits and defense mechanisms of this warm-water mammal, named for its gray, spotted skin.

Describes the physical characteristics, habitat, food habits and defense mechanism of this river-dwelling dolphin, distinguished by its long, thin, pointy teeth.

Describes the physical characteristics and habits of the species of dolphin known as common, saddleback, or Pacific.

Provides basic information about the cottonwood, including its structure, economic uses, and the pests and diseases that affect it.

Describes the tulip flower, the colors and varieties of tulips, the bulbs and seeds, and the various insect pests and diseases that may attack these popular spring flowering bulbs.

Describes the colors, various parts, growing conditions, and other aspects of one of the most popular flowers in the world.