(Paperback)

An easy-to-read introduction about octopuses for five to nine years old.

(Paperback)

Young reptile fans will be fascinated with the explanation of how snakes find and kill their prey. Poisonous snake enthusiasts will be delighted with two pages about rattlesnakes in this simple and readable explanation of an inherently interesting subject.

(Paperback)

Explains the concept of a food chain and how plants, animals, and humans are ecologically linked.

(Paperback)

Explains how life is sustained on Earth through the presence of water, food, and oxygen, and how the planet is different from a spacecraft because it can rejuvenate its supply of these critical resources.