In revising his now classic work on the geology of North America, Philip B. King has devoted attention both to the new concepts of global tectonics and to new facts obtained from fieldwork in recent years. From its overview of the natural history of continents, to the sections describing the characteristics and history of each region, this remains a fundamental text on continental geology. Originally published in 1977. The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These paperback editions preserve the original texts of these important books while presenting them in durable paperback editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.
Ultrasonic Periodontal Debridement: Theory and Technique is the first textbook to focus exclusively on this fundamentally important component of periodontal therapy. George, Donley, and Preshaw provide a comprehensive resource for dental students, dental hygiene and therapy students, and periodontal residents, as well as practicing dental hygienists and dentists who are looking to increase their familiarity and skills with ultrasonic instrumentation. The opening section describes the basic foundational knowledge of periodontal debridement; how it differs from and supersedes scaling and root planing, how it fits with modern concepts of periodontal disease pathogenesis, and includes a comparison of periodontal debridement instrumentation modalities. Section 2 describes ultrasonic technology, the variety of tip designs that are available, and provides practical guidance in appropriate tip selection. Section 3 focuses on the clinical applications of ultrasonic periodontal debridement, including patient assessment, medical and dental considerations, and provides specific guidance in clinical debridement techniques. Included are technique modules for each quadrant as well as case studies using real-world examples of situations likely to be encountered in everyday clinical practice, including ultrasonic instrumentation around dental implants.
To understand the long march of events in North Carolina from secession to surrender is to understand the entire Civil War--a personal war waged by Confederates and Unionists, free blacks and the enslaved, farm women and plantation belles, Cherokees and mountaineers, conscripts and volunteers, gentleman officers and poor privates. In the state's complex loyalties, its sprawling and diverse geography, and its dual role as a home front and a battlefield, North Carolina embodies the essence of the whole epic struggle in all its terrible glory. Philip Gerard presents this dramatic convergence of events through the stories of the individuals who endured them--reporting the war as if it were happening in the present rather than with settled hindsight--to capture the dreadful suspense of lives caught up in a conflict whose ending had not yet been written. As Gerard reveals, whatever the grand political causes for war, whatever great battles decided its outcome, and however abstract it might seem to readers a century and a half later, the war was always personal.
Prof. Ambrose has revised and enlarged into one volume his 2006 two-volume English translations of virtually all the vocal works of Johann Sebastian Bach. By preserving the meter and key-word placement of the original, J.S. Bach: The Vocal Texts in English Translation with Commentary is a good guide to the poetics of Bach's music and will help listeners and interpreters perceive more clearly Bach's own "translation" of text into music.
From Boron Trifluoride to Zinc, the 52 most widely used reagents in organic synthesis are described in this unique desktop reference for every organic chemist. The list of reagents contains classics such as N-Bromosuccinimide (NBS) and Trifluoromethanesulfonic Acid side by side with recently developed ones like Pinacolborane and Tetra-n-propylammonium Perruthenate (TPAP). For each reagent, a concise article provides a brief description of all important reactions for which the reagent is being used, including yields and reaction conditions, an overview of the physical properties of the reagent, its storage conditions, safe handling, laboratory synthesis and purification methods. Advantages and disadvantages of the reagent compared to alternative synthesis methods are also discussed. Reagents have been hand-picked from among the 5000 reagents contained in EROS, the Encyclopedia of Reagents for Organic Synthesis. Every organic chemist should be familiar with these key reagents that can make almost every reaction work.
The Appalachian Trail is America's most beloved trek, with millions of hikers setting foot on it every year. Yet few are aware of the fascinating backstory of the dreamers and builders who helped bring it to life over the past century. The conception and building of the Appalachian Trail is a story of unforgettable characters who explored it, defined it, and captured national attention by hiking it. From Grandma Gatewood--a mother of eleven who thru-hiked in canvas sneakers and a drawstring duffle--to Bill Bryson, author of the best-selling A Walk in the Woods, the AT has seized the American imagination like no other hiking path. The 2,000-mile-long hike from Georgia to Maine is not just a trail through the woods, but a set of ideas about nature etched in the forest floor. This character-driven biography of the trail is a must-read not just for ambitious hikers, but for anyone who wonders about our relationship with the great outdoors and dreams of getting away from urban life for a pilgrimage in the wild.
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