Discusses what a coral reef is, explains where they are found, and describes various kinds of reef plant and animal life and the ways they interact in the coral reef biome.
Photographs and easy-to-follow text introduce readers to the complex web of life that exists inside the world's rain forests, describing the plants, animals, birds, and insects that rely on one another to survive in the rain forests.
Examines repetitive strain injuries such as carpal tunnel syndrome, tennis elbow, and tendinitis, their causes, symptoms, diagnosis, treatment, and prevention.
Describes the workings of the heart and the circulatory system and the array of ailments that can affect them, discussing symptoms, diagnosis, prevention, and treatment.