When Arnold, one of Ms. Frizzle's students, finds a small foxlike animal with huge ears in the lost and found, he and the rest of the class join in the search for the animal's habitat. They visit six different habitats: the Arctic, the North American temperate forest, the African grasslands, the Amazon rain forest, wetlands, and desert.

Describes grassland ecosystems and the animals found there, including prairies, pampas, and savannas.

Danny Dragonbreath and his friend Wendell get an up-close underwater tour of the Sargasso Sea from Danny's sea-serpent cousin, encountering giant squid and mako sharks--and learn about standing up to bullies in the process.

Documents the life cycle and ecosystem of the giant saguaro cactus and the desert animals it helps to support.

Gives details and descriptions of the ecology of chaparrals.

Features animals, insects, and plants in a bog.

In the Everglades, what may look like a smooth, silent carpet of flowing grass is a world teeming with life. Amid tree islands and mangrove roots are animals on the prowl. A tuft-eared bobcat gives an eerie yoooooowl, a raccoon carefully washes his food, an osprey guts a fish, and an alligator waits with shroudlike eyes for a redbelly turtle to swim too close. From creatures that fly to those that crawl, here is the cycle of life in the Everglades,...

Illustrations and text describe some of the many things that can be found on a walk along a beach, including coconuts, shark teeth, jellyfish, crabs and different kinds of shells.

Examines the desert biome's important features, plants, and animals and how they all work together to support life.