Bookworms. Earth Matters

Discusses Earth's role as a planet in orbit around the sun, how this causes day and night and seasons, and how that affects how we tell time.

Photographs and simple text introduce young readers to the role of oceans on Earth, discussing waves, tides, and water pressure.

Full-color photographs and simple text introduce early readers to living things, describes what makes them alive, and discusses energy, the food chain, and other related topics.

Photographs and simple text introduce young readers to the various types of terrain on Earth such as mountains, deserts, and forests.

Helps young readers to understand how to use globes and various kinds of maps.