And this updated edition contains a host of new findings on “Gemstones for Collectors,” additional gems in the “Table of Constants,” and the “double fraction” figures that experts have long wanted—a very special new feature.All the gemstones are treated in their many variations: more than 1,500 full-color photos showcase each precious and semiprecious stone in both its rough, natural, and its polished and cut renditions. Each entry offers complete information on the gemstone’s formation, structure, physical properties, and characteristics, along with the best methods of working, cutting, and polishing it. There are even full treatments of lesser-known gems, from andalusite to vesuvian, and a special section is devoted to rocks as precious stones, including alabaster, onyx, obsidian, and fossils. Organic gem materials are also covered, such as coral, ivory, amber, and pearl. Charts and tables help collectors identify unknown gemstones and check for genuineness.

    From the geological and physical processes that affect the ocean floor to the key habitat zones, flora, and fauna, this is the definitive reference to the world's oceans for the entire family. Includes an introduction by Fabien Cousteau. Includes the latest developments in ocean exploration and photography. Catalogs the rich diversity of ocean features and marine life. Highlights important people, unique habitats, human impact studies, and extreme facts. Published in association with the American Museum of Natural History.

    Includes a poster of Theodore Gray's iconic photographic periodic table of the elements! Based on seven years of research and photography by Theodore Gray and Nick Mann, The Elements presents the most complete and visually arresting representation available to the naked eye of every atom in the universe. Organized sequentially by atomic number, every element is represented by a big beautiful photograph that most closely represents it in its purest form. Several additional photographs show each element in slightly altered forms or as used in various practical ways. Also included are fascinating stories of the elements, as well as data on the properties of each, including atomic number, atomic symbol, atomic weight, density, atomic radius, as well as scales for electron filling order, state of matter, and an atomic emission spectrum. This of solid science and stunning artistic photographs is the perfect gift book for every sentient creature in the universe.

    Three Guides in One! Identification, Values, Lapidary UsesDesigned with beginners in mind, yet filled with valuable technical information for advanced collectors, "Collecting Rocks, Gems and Minerals" takes you from being just someone who appreciates rocks to a true "collector."Easy-to-use, quick reference format arranged by category and color of stoneCovers both lapidary and mineral display materialsProvides values and tips for locating, buying and collectingIncludes organics such as amber, bone, coral, pearl and shellLists chemical group, system, hardness, opacity, fracture, specific gravity and moreContains more than 650 full-color photosForeword by Johann Zenz, world renowned agate expert, author and lecturer

    Featuring over 450 specially commissioned photographs and information-rich text, this book illustrates each stone's unique characteristics and explains its relationship to humankind through the ages.

    Each entry has a full color illustration as well as color-coded bands that provide at-a-glance facts for quick reference. Easy to use and beautiful to look at, this series is an invaluable resource for every collector.

    With thousands of breathtaking photographs and unique visual catalogues of the features and phenomena that take place on Earth -- such as rocks, minerals, and mountains to tropical rain forests and the different types of clouds -- Earth contains the most up-to-date ideas on how our world works, a compelling review on the health of the planet, and unbelievable images of the world's most stunning features.

    From the siege towers and catapults employed by ancient invaders to the unmanned drones and stealth bombers used by today's armed forces, the mastering of superior technology has always played a critical role in determining an army's chances of success — or defeat.Following in the footsteps of DK's esteemed military history titles Military History is the definitive guide to the development of battlefield technology through the ages, from Bronze Age Mesopotamia to the War on Terror.Organized chronologically and by key military technology, Military History: The Definitive Visual Guide to the Objects of Warfare covers the iconic weapons, armor, equipment, and battles that have defined war through the ages, showing the impact of changes in military technology on the very fabric of history.

    Seminal works of genius are portrayed in their historical context, with attention paid to the culture of the time and the lives of their creators.

    "Great Paintings" is perfect for anyone interested in learning about the world's most noteworthy artworks.

    From the earliest dugout canoes and the boats of the Ancient Egyptians to the most technologically advanced battleships and cruise liners, this is the ultimate guide to every aspect of the ship.

    Around 100 crystal-clear articles explore landmark novels, short stories, plays, and poetry that reinvented the art of writing in their time, whether Ancient Greece, post-classical Europe, or modern-day Korea.As part of DK's award-winning Big Ideas Simply Explained series, The Literature Book uses infographics and images to explain key ideas and themes. Biographies of important authors offer insight into their lives and other writings, and a section on Further Reading details more than 150 additional works to explore.Discover masterpieces from the world's greatest authors, and explore the context, creative history, and literary traditions that influenced each major work of fiction with The Literature Book.Series Overview: Big Ideas Simply Explained series uses creative design and innovative graphics, along with straightforward and engaging writing, to make complex subjects easier to understand. These award-winning books provide just the information needed for students, families, or anyone interested in concise, thought-provoking refreshers on a single subject.

    Starting once again with fossils, he turns his gaze skyward, showing us how the entirety of the universe’s fourteen-billion-year history can be seen in our bodies. As he moves from our very molecular composition (a result of stellar events at the origin of our solar system) through the workings of our eyes, Shubin makes clear how the evolution of the cosmos has profoundly marked our own bodies. Fully illustrated with black and white drawings.

    And today, that means lifestyle photography, also referred to as "fine art wedding photography." Fine art wedding photography isn't just a catchy phrase; it's a modern approach in which design is paramount. Fine art wedding images are more graphic and stylized than traditional wedding photojournalism, as if they were pulled from the pages of a glossy wedding or lifestyle magazine. Acclaimed wedding photographer Jose Villa was a pioneer in fine art wedding photography before it became a trendy buzzword. Here, he shares his secrets for bringing a stylized sense of composition, lighting, posing, and most important, design, to your images, while still keeping them organic and narrative. You’ll learn Jose’s trademark technique of capturing the more natural moment after a pose, and tips for getting images right in-camera to avoid the need for heavy postproduction. Final chapters show you how to integrate design through the delivered product, whether an album or slideshow, and continue nurturing clients after the wedding by expanding to baby and family portraiture. Packed with real-life examples, solid techniques, and stunning images from one of the wedding industry's brightest stars, this book will both educate and inspire photographers seeking to update their work and satisfy a new generation of brides.

    From ancient and medieval philosophers such as Confucius and Thomas Aquinas, to revolutionary thought leaders such as Thomas Jefferson and Leon Trotsky, to the voices who have shaped modern politics today -- Mao Zedong, Malcolm X, Che Guevara, and more -- "The Politics Book" clearly and simply explains more than 100 groundbreaking ideas in the history of political thought.With easy-to-follow graphics, succinct quotations, and accessible text, "The Politics Book" is an essential reference for students and anyone wondering how politics works.