The Keys are designed for easy visual comparison of details which look alike, narrowing the identification of a tree to one of a small group -- the family or genus.Then, in the Master Pages, the species of the tree is determined, with similar details placed together to highlight differences within the family group, thus eliminating all other possibilities. The details of the Oak trees on this plate are an example of the system.All of the more than 1500 photographs were made specifically for use in this book and were taken either in the field or of carefully collected specimens. Where possible, details such as leaves, fruit, etc., appear in actual size, or in the same scale.

    Now William Dunham gives them the attention they deserve.Dunham places each theorem within its historical context and explores the very human and often turbulent life of the creator — from Archimedes, the absentminded theoretician whose absorption in his work often precluded eating or bathing, to Gerolamo Cardano, the sixteenth-century mathematician whose accomplishments flourished despite a bizarre array of misadventures, to the paranoid genius of modern times, Georg Cantor. He also provides step-by-step proofs for the theorems, each easily accessible to readers with no more than a knowledge of high school mathematics.A rare combination of the historical, biographical, and mathematical, Journey Through Genius is a fascinating introduction to a neglected field of human creativity.

    It condenses a huge amount of information about tree identification--more than has ever been collected in a single book--into a logical, accessible, easy-to-use format.With more than 4,100 meticulous, exquisitely detailed paintings, the Guide highlights the often subtle similarities and distinctions between more than 600 tree species--native trees as well as many introduced species. No other guide has ever made field identification so clear.Features highlighted include: - leaves (including multiple leaf shapes and fall leaf color)- bark- needles- cones- flowers- fruit- twigs- silhouettesMore than 500 maps show the complete range, both natural and cultivated, for nearly all species.Trees are arranged taxonomically, with all related species grouped together. By focusing on the fundamental characteristics of, for example, oaks or chestnuts or hickories, the Guide helps the user recognize these basic species groups the same way birders recognize thrushes, warblers, or sparrows.In addition, there are essays on taxonomy, on the cultivation of trees, and on conservation issues, reflecting Sibley's deep concern with habitat preservation and environmental health.An important new contribution to our understanding of the natural world, The Sibley Guide to Trees will be a necessity for every tree lover, traveler, and naturalist. It is sure to become the new benchmark in field guides to trees.

    Inside, readers will discover the many challenges the studio faced to build the fantastical sites depicted in Rowling’s books, from Hogwarts castle and its many classrooms and dormitories, to Diagon Alley and the Ministry of Magic.Organized by film appearance, Harry Potter: Magical Places from the Films: Hogwarts, Diagon Alley, and Beyond takes readers on a behind-the-scenes visual journey through all eight of the Harry Potter films. Jody Revenson provides detailed profiles of each location and pairs them with never-before-seen concept art, behind-the-scenes photographs, and film stills with supplementary information that reveals filmmaking secrets from the Warner Bros. archives.Gorgeously designed, visually stunning, Harry Potter: Magical Places from the Films: Hogwarts, Diagon Alley, and Beyond is truly is an unmatched look at the imaginative sets that were designed, built, furnished, and digitally enhanced specifically for the films. It also includes real-life scouting locations across the stunning countryside of England, Wales, and Scotland—many of which would later become the settings for Hagrid’s hut, Shell Cottage, the Hogwarts bridge, and other iconic places.This stunning full-color compendium also includes two exclusive bonus inserts: a map of Diagon Alley folded in an envelope in the back of the book, and “The Paintings of Hogwarts” catalog inserted in the text.

    No other telescope combines instant name recognition with the production of consistently spectacular images. Yet few people outside of the astronomy community realize that Hubble is now at the apex of its imaging capabilities. A collection of stunningly detailed pictures, made possible by the new Wide Field Camera 3, has yet to be incorporated into a popular-level book. Until now. Hubble's Universe will be the premier venue for the Hubble Telescope's most recent visual splendors. Bestselling astronomy writer Terence Dickinson showcases extraordinary late-breaking pictures, many of which have yet to receive wide distribution as news stories or in publications outside scientific papers, and presents a breathtaking portfolio drawn from an archive of over 500,000 existing Hubble images.The accompanying text balances accuracy with accessibility, Dickinson's hallmark. And thanks to the author's familiarity with Hubble's history and discoveries and his access to top Hubble scientists for insight and accuracy, the text includes facts and tidbits not found in any other book. Combined with hundreds of brilliant images, the clear, succinct and illuminating narrative brings to life the fascinating forces at work in the universe.

    It now has 600,000 to a million page hits daily. Every now and then, Munroe would get emails asking him to arbitrate a science debate. 'My friend and I were arguing about what would happen if a bullet got struck by lightning, and we agreed that you should resolve it . . . ' He liked these questions so much that he started up What If. If your cells suddenly lost the power to divide, how long would you survive? How dangerous is it, really, to be in a swimming pool in a thunderstorm? If we hooked turbines to people exercising in gyms, how much power could we produce? What if everyone only had one soulmate?When (if ever) did the sun go down on the British empire? How fast can you hit a speed bump while driving and live?What would happen if the moon went away?In pursuit of answers, Munroe runs computer simulations, pores over stacks of declassified military research memos, solves differential equations, and consults with nuclear reactor operators. His responses are masterpieces of clarity and hilarity, studded with memorable cartoons and infographics. They often predict the complete annihilation of humankind, or at least a really big explosion. Far more than a book for geeks, WHAT IF: Serious Scientific Answers to Absurd Hypothetical Questions explains the laws of science in operation in a way that every intelligent reader will enjoy and feel much the smarter for having read.

    Based on the 5Cs of Survivability--cutting tools, covering, combustion devices, containers, and cordages--this valuable guide offers only the most important survival skills to help you craft resources from your surroundings and truly experience the beauty and thrill of the wilderness. Inside, you'll also discover detailed information on: Choosing the right items for your kit. Manufacturing needed tools and supplies. Collecting and cooking food. Protecting yourself from the elements. With Canterbury's guidance, you'll not only prepare yourself for any climate and situation, you'll also learn how to use the art of bushcraft to reconnect with nature in ways you've never imagined.

    This fascinating book showcases hundreds of eye-catching tattoos that pay tribute to various scientific disciplines, from evolutionary biology and neuroscience to mathematics and astrophysics, and reveals the stories of the individuals who chose to inscribe their obsessions in their skin. Best of all, each tattoo provides a leaping-off point for bestselling essayist and lecturer Zimmer to reflect on the science in question, whether it's the importance of an image of Darwin's finches or the significance of the uranium atom inked into the chest of a young radiologist.

    She explains ideas at the cutting-edge of scientific enquiry, making them comprehensible and accessible to the layperson.

    The Rocky Mountains are home to a diversity of plant species that have helped native peoples and settlers survive through the centuries. EDIBLE AND MEDICINAL PLANTS OF THE ROCKIES describes 333 common trees, shrubs, flowers, ferns, mosses and lichens that have been used by people from ancient times to the present. This comprehensive guide contains: * More than 700 color photographs and illustrations * An introduction explaining the use of wild plants, including gathering, preparing and cooking * Food, medicinal and other uses for each species * Clear descriptions of the plants and where to find them * Warnings about plant allergies, poisons and digestive upsets * A special section at the end detailing 46 of the more common poisonous plants in the Rockies region.

    With the brilliant insight he brought to his renowned work inside the FBI's elite serial-crime unit, John Douglas pieces together motives behind violent sociopathic behavior. He not only takes us into the darkest recesses of the minds of arsonists, hijackers, bombers, poisoners, assassins, serial killers, and mass murderers, but also the seemingly ordinary people who suddenly kill their families or go on a rampage in the workplace.Douglas identifies the antisocial personality, showing surprising similarities and differences among various types of deadly offenders. He also tracks the progressive escalation of those criminals' sociopathic behavior. His analysis of such diverse killers as Lee Harvey Oswald, Theodore Kaczynski, and Timothy McVeigh is gripping, but more importantly, helps us learn how to anticipate potential violent behavior before it's too late.

    From the bridge to the shuttlebays, from the transporter room to crews' quarters, this book provides a never-before-seen glimpse at the inner, intricate workings of the most incredible starship ever conceived. Full of diagrams, technical schematics, and ship's plans, the Star Trek: The Next Generation Technical Manual also takes a detailed look at the principles behind Star Trek®'s awesome technology -- from phasers to warp drive to the incredible holodeck.

    Birders will find it indispensable: this single, portable volume features more than 750 species, along with more than 2,000 stunning images by leading nature photographers showing birds in their natural habitats. Captions highlight important field marks, and comprehensive species accounts describe habitats, behavior, flight, migration, songs, and plumages. Other features include: more than 600 maps showing bird distribution in every season; strategies for watching and identifying birds; a complete species index plus a quick-flip index; a glossary of terms; and a checklist of birds. The guide’s unique waterproof cover makes it especially valuable for use in the field.

    Readers will find excerpts from bestsellers such as Douglas R. Hofstadter's Gödel, Escher, Bach, Francis Crick's Life Itself, Loren Eiseley's The Immense Journey, Daniel Dennett's Darwin's Dangerous Idea, and Rachel Carson's The Sea Around Us. There are classic essays ranging from J.B.S. Haldane's "On Being the Right Size" and Garrett Hardin's "The Tragedy of the Commons" to Alan Turing's "Computing Machinery and Intelligence" and Albert Einstein's famed New York Times article on "Relativity." And readers will also discover lesser-known but engaging pieces such as Lewis Thomas's "Seven Wonders of Science," J. Robert Oppenheimer on "War and Physicists," and Freeman Dyson's memoir of studying under Hans Bethe.A must-read volume for all science buffs, The Oxford Book of Modern Science Writing is a rich and vibrant anthology that captures the poetry and excitement of scientific thought and discovery.One of New Scientist's Editor's Picks for 2008.

    Stunning photographs showcase the area's unusual geology, and chapters on history and wildlife describe the delicately balanced ecosystems. A guide to desert wildflowers is also included, and trail maps are provided for more than 20 of the best hikes in the park.