On August 24, 2006, a group of astronomers made a big announcement: Pluto could no longer be considered a planet. This book explains how advancements in technology have changed our understanding of the universe--and exactly how and why the number of planets in our solar system went from nine to eight

Examines the landscape, climate, weather, population, culture, and industries of Germany

"An exploration of the Grand Canyon on a grand scale, as only Jason Chin can illustrate and explain"--

Discusses the geography, climate, population, daily life, industry, and the future of Mexico, the third largest country in Latin America

Introduces the geography, history, government, people, culture, and attractions of Oregon

"Introductory text and full-color images explore the physical characteristics of the moon in space. Intended for students in kindergarten through third grade"--Provided by publisher

"The sun explains its role in the movement of water around the Earth, from the lifting of fresh water from the seas, to the movement of underwater currents that nourish the world's oceans. The sun has a hand in moving rivers of water in its liquid, gaseous, and solid states all around the Earth, enabling life to exist on our planet. But human beings are interfering in this natural cycle, unbalancing the amount of fresh water available."--

On another special field trip on the magic school bus, Ms. Frizzle's class learns about the ocean and the different creatures that live there.