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Sports surface design is crucial for the successful performance of sports skills and the reduction of injury risk. Surfaces have developed from natural materials such as turf, clay and cinder, to synthetic surfaces such as acrylic tennis courts, artificial turf for soccer and synthetic running tracks, while our understanding of natural turf has developed in terms of properties appropriate for different sports and surface sustainability. This book draws together the very latest research on biomechanical, medical and engineering approaches to the study of sports surfaces.

Western Ecuador is famed for its astonishingly diverse birdlife, from colorful hummingbirds and outrageous toucans to more difficult groups like raptors, flycatchers, and ovenbirds. Here is the ultimate photographic guide to the spectacular birds of this region. Featuring nearly 1,500 stunning color photos of 946 species, this richly detailed and taxonomically sophisticated field guide will help you with even the toughest identification challenges. Species accounts, photos, and color distribution maps appear side by side, making it easier than ever to find what you are looking for, whether...