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The 12th edition of this bestselling book is proof of the success of Mary Blewitt's concise and clear style in explaining a particularly difficult skill, and it has been the bible for many generations of ocean navigators. Since this book was first published, the huge advances in electronic navigation have transported most offshore navigators to a world of press-button convenience. However, there is still a vital need for traditional skills when things go wrong: batteries can fail, aerials go overboard, and electronics have been known to get wet. A bestseller for over 50 years, Celestial Navigation for Yachtsmen is a model of simplicity and clarity. The worked examples require only straightforward addition and subtraction, which explains why this book has truly earned its reputation for admirable conciseness and for making a tricky subject easy to understand. 'The "bible" of navigation for generations of yachtsmen... worth its weight in gold' Sailing
Thoroughly rewritten for today's web environment, this bestselling book offers a fresh look at a fundamental topic of web site development: navigation design. Amid all the changes to the Web in the past decade, and all the hype about Web 2.0 and various "rich" interactive technologies, the basic problems of creating a good web navigation system remain. Designing Web Navigation demonstrates that good navigation is not about technology-it's about the ways people find information, and how you guide them. Ideal for beginning to intermediate web designers, managers, other non-designers, and web development pros looking for another perspective, Designing Web Navigation offers basic design principles, development techniques and practical advice, with real-world examples and essential concepts seamlessly folded in. How does your web site serve your business objectives? How does it meet a user's needs? You'll learn that navigation design touches most other aspects of web site development. This book: Provides the foundations of web navigation and offers a framework for navigation design Paints a broad picture of web navigation and basic human information behavior Demonstrates how navigation reflects brand and affects site credibility Helps you understand the problem you're trying to solve before you set out to design Thoroughly reviews the mechanisms and different types of navigation Explores "information scent" and "information shape" Explains "persuasive" architecture and other design concepts Covers special contexts, such as navigation design for web applications Includes an entire chapter on tagging While Designing Web Navigation focuses on creating navigation systems for large, information-rich sites serving a business purpose, the principles and techniques in the book also apply to small sites. Well researched and cited, this book serves as an excellent reference on the topic, as well as a superb teaching guide. Each chapter ends with suggested reading and a set of questions that offer exercises for experiencing the concepts in action.
The book provides a detailed account of strapdown interial navigation systems from an analytical and computational perspective, with expositions of both autonomous and aided navigation systems given. Also included are self-contained tutorial chapters on the Global Positioning System and the Kalman Filter. The book concludes with a chapter devoted to six practical applications of aided navigation systems. The book is intended as a reference work for practitioners, as a tutorial work for those entering the field of strapdown inertial navigation and as a text for students in aerospace engineering and related academic pursuits. The book is an outgrowth of the author's more than to 40 years of experience in the field of strapdown inertial navigation systems, both as a practitioner and as a teacher. Book jacket.
Managing safety in a professional environment requires constant negotiation with other competitive dimensions of risk management (finances, market and political drivers, manpower and social crisis). This is obvious, although generally not said in safety manuals. The book provides a unique vision of how to best find these compromises, starting with lessons learnt from natural risk management by individuals, then applying them to the craftsman industry, complex industrial systems (civil aviation, nuclear energy) and public services (like transportation and medicine). It offers a unique, illustrated, easy to read and scientifically based set of original concepts and pragmatic methods to revisit safety management and adopt a successful system vision. As such, and with illustrations coming from many various fields (aviation, fishing, nuclear, oil, medicine), it potentially covers a broad readership.