Describes the climate, soil, plants, and animals of North American deserts and the ways in which the plants and animals depend on each other and their environment to survive.

Takes readers on a walk in a swamp, showing examples of how the animals and plants of wetlands are connected and dependent on each other and the wetland's watery environment.

Describes the climate, seasons, plants, animals, and soil of the boreal forest, a biome or land zone, which stretches across the northern parts of North America, Europe, and Asia.

This book looks at the grasslands of the United States, animals that dwell in them, and how grasslands are changing.

Takes readers on a walk at a sheltered bay, showing examples of how the animals and plants of estuaries are connected and dependent on each other and the estuary's mix of fresh and salt water.

Examines the wetland as an ecological niche and describes the plant and animal life supported there.