Gabriel Casadevall

Describes the physical characteristics, habitat, behavior, ancestors, and engineering abilities of these intelligent water-dwelling mammals.

Describes the physical characteristics, habitat, behavior, and life cycle of frogs.

This book describes the physical characteristics, habitat, behavior, and life cycle of these powerful mammals, who live on most of Earth's continents.

Provides detailed descriptions of the physical characteristics and behavior of dolphins.

Describes the physical characteristics, habitat, behavior, and life cycle of these flat fish, some of which have organs that can produce electricity.

Examines the habitat, intelligence, self-defense actions, and jet propulsion of this tentacled marine mollusk.

Examines the different types of primates, their habitats, behavior, family life, and locomotion.