Definitive 7th

In recent years, progress in the field of virology has advanced at an unprecedented rate. Issues such as AIDS have brought the subject firmly into the public domain and its study is no longer confined solely to specialist groups. The Encyclopedia of Virology is the largest single reference source of current virological knowledge. It is also the first to bring together all aspects of the subject for a wide variety of readers. Unique in its use of concise 'mini-review' articles, the material covers biological, molecular, and medical topics concerning viruses in animals, plants, bacteria, and insects. More general articles focus on the effects of viruses on the immune system, the role of viruses in disease, oncology, gene therapy, and evolution, plus a wide range of related topics. Drawing on the latest research, the editors have produced the definitive source for both specialist and general readers. Easy-to-use and meticulously organized, the Encyclopedia of Virology clarifies and illuminates one of the most complex areas of contemporary study. It will prove an invaluable addition to libraries, universities, medical and nursing schools, and research institutions around the world. The Second Edition has been thoroughly updated with approximately 40 new articles. This edition includes more illustrations and color plates in each volume. Updated thoroughly with approximately 40 new articles Presents more illustrations than the first edition, with color plates in each volume Contains a complete subject index in each volume Provides further reading lists at the end of each entry, allowing easy access to the primary literature Extensive cross-referencing system links all related articles Contains the most recent information of particular viruses described at the 7th International Committee on Taxonomy and Classification of Viruses Provides the ability to search for entries alphabetically or via the taxonomical listings to access articles of different viruses

This is a full-color global guide to world coinage, from its origins in the 7th century BC to the present day, featuring coins and collectables for 200 countries. It provides an expert guide to understanding the value and identity of coins, with insights into dates, metals, denominations, shapes, mintmarks, and portraits. This thorough introduction details the history of coin production around the world, from the origins of coinage in the seventh century BC, to its subsequent development by Alexander the Great, Cleopatra and Napoleon, through to its role in today's society. It includes over 3000 life-size colour images of wonderful coins, including the boat-shaped issues of ancient Byzantium, the bronze tokens of the Chinese dynasties, the emergency World War One issues, the Vatican coins, and many more. This is the definitive illustrated reference to the world's greatest coins and a professional guide to building a spectacular collection, featuring over 3000 color images. This is the ultimate expert guide to coins and coin collecting. This is an in-depth introduction to the origins, anatomy and usage of coins looks at the birth of the world's first currencies. Practical advice on evaluating grade and condition that will enable the amateur to gauge the value of their latest acquisitions, and step-by-step techniques show how to restore and preserve coins of all ages. The fully-illustrated country-by-country directory contains concise and lively histories of modern-day territories and ancient regimes, plus engrossing stories of some of the most remarkable coins in existence.