DR. STEPHEN P. ROBBINS is the world's #1 best-selling textbook author in the areas of management and organizational behavior. His books have sold more than two million copies, are currently used by students at more than one thousand U.S. colleges and universities, and are widely read worldwide. Robbins' Organizational Behavior, Ninth Edition (Prentice Hall) is the market leader throughout Canada, Mexico, Central America, South America, Australia, Hong Kong, Singapore, Taiwan, South Korea, India, China, and Scandinavia. He is the author of Managing Today and co-author of both Management, Fifth Edition and Fundamentals of Management. Robbins holds a Ph.D. from the University of Arizona and has served in management roles for Shell and Reynolds Metals. Currently a member of the faculty at San Diego State University (Emeritus), Robbins' research interests have focused on conflict, power, and politics in organizations, as well as the development of effective interpersonal skills. His articles on these and other topics have appeared in Business Horizons, California Management Review, Business and Economic Perspectives, International Management, Management Review, The Journal of Management Education, and other leading journals. An avid participant in masters' track and field, Robbins has set numerous indoor and outdoor age-group world sprint records since turning 50 in 1993. He has won more than a dozen indoor and outdoor U.S. national titles at 60m, 100m, 200m, and 400m, and has won five gold medals at the World Veteran Championships.