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Steven M. Hoffman eBooks
Gems, Crystals, and Precious Rocks
By: Steven M. HoffmanEarn $0.50 - Write a Review »
People have long been captivated by the beauty of gems, from diamonds and sapphires to rubies and emeralds. Kids will be interested to know how these precious rocks form. Through this helpful book, young gem lovers will understand the crystal stru...
Volcanoes and Earthquakes
By: Steven M. HoffmanEarn $0.50 - Write a Review »
Rocks look solid and stable, but the volcanoes in which some rocks are created and the earthquakes that rearrange rocks are incredibly dramatic. This book explains what causes volcanoes and earthquakes in simple, accessible language.
Rocks and Soil
By: Steven M. HoffmanEarn $0.50 - Write a Review »
Bits of rock are a key component of soil. The kinds of rocks found in soil determine what sorts of plants will grow well in it. This book is full of information that readers can use in their own investigations of soil and rocks.
Weathering and Erosion
By: Steven M. HoffmanEarn $0.50 - Write a Review »
Tree roots splitting a rock apart is an example of weathering, while a glacier pulling rocks along in its path is erosion. This informative book offers many examples of these two processes and outlines the key role they play in the rock cycle.
Rock Study
By: Steven M. HoffmanEarn $0.50 - Write a Review »
Rocks are all around us, and all kids have picked them up to study their different shapes and sizes. This book gives kids the tools to know what they are looking at when they do so. It offers tips on identifying rocks and excellent background info...
Fossils
By: Steven M. HoffmanEarn $0.50 - Write a Review »
Fossils are an incredible link to plants and animals that lived millions of years ago. For this reason, fossils such as dinosaur bones have long fascinated kids. This book offers uncomplicated and engaging explanations of what exactly fossils are,...






