"Using simple text and illustrations, this book describes what causes earthquakes."--

"The Earth as we know it was partly created by volcanoes. Many are still active today. Learn how volcanoes form and what is going on when they erupt"--Dust jacket flap.

"From planets and stars to constellations and meteor showers, readers will discover the amazing sights that can be seen in our night sky in this stellar Level 1 Ready-to-Read"

Visit the Grand Canyon and learn how it was made.

Drip, drop, ploprain falls from the sky. Rain turns dirt into mud and makes puddles on sidewalks. It also helps flowers grow. But where does rain come from? The answer is at your fingertips. Just open this book and read about the wonders of rain

"The Rocky Mountains form the backbone of North America. But how did they come to be and what animals call them home? Read this book and find out!"--

"What is that colorful arc in the sky? It is a rainbow. Rainbows are always pretty to look at, but where do they come from? The answer is at your fingertips. Just open this book and read about the wonders of rainbows..."--

Briefly describes the geography of the Misssissippi River, along with some history of the transportation and commerce associated with the river.