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General Books publication date: 2009 Original publication date: 1912 Original Publisher: McGraw-Hill Book Company... Read More >>
*** Please not that as of September 1, 2016 we have fixed the yellowish tinge, devices my still vary a bit. Tumbled... Read More >>
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the... Read More >>
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization... Read More >>
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TRANSLATORS PREFACE - The need of a short presentation of the fundamental principles of petrology as applied to... Read More >>
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization... Read More >>
Whether formed deep underground or created following a volcanic eruption, igneous rocks earn their nickname as fire... Read More >>
Igneous rocks, sedimentary rocks, and metamorphic rocks make up the three main types of rocks and are constantly... Read More >>
Guess which prehistoric creature each of the eight colourful close-ups belongs to, then turn the page for the answer... Read More >>
This book teaches the reader how to cut and polish gemstones and describes and recommends the necessary equipment.... Read More >>
Tumbled Stones Coloring Books follow the Tumbled Stone Picture Books series. The pictures to color are right out... Read More >>
About 250 million years ago, the first dinosaurs began to roam Earth. Join your friendly prehistoric fish-guide... Read More >>
"""Learn all about the ancient animals known as mammoths and mastodons, from how they lived to how they are related... Read More >>
"""Learn all about the ancient animals known as saber-toothed cats, from what they ate to how they are related to... Read More >>
""Learn all about the ancient animals known as saber-toothed cats, from what they ate to how they are related to... Read More >>
Heat and energy impacts all life on our planet. Energy from the sun helps plants grow and makes it possible for... Read More >>