More than 10 million Americans collect sports cards, hoping one day to reap their "investment" benefits. How has the sports card industry, specifically the baseball card market, become a billion-dollar business in the past five years?Pete Williams, who has covered major league baseball and the sports memorabilia industry for USA TODAY Baseball Weekly since 1991, has the perfect vantage point on what's caused this explosive success in the shaky and shady world of sports cards. His gripping narrative takes us from the birth of trading cards to the present, when the buying and selling of cards has become everyman's stock market. At the center of the industry is the Upper Deck Company. Once a one-man shop in Anaheim, California, it has grown into the largest manufacturer of sports cards, with sales of 1 billion since 1990. Along the way, Upper Deck has revolutionized the trading card business by introducing a stunning array of wildly designed cards with incredible action photos, ultraviolet coating, and holograms to prevent counterfeiting. Williams's account is the first solid investigative look at what goes on at Upper Deck and he reveals the tactics its owners use to dominate the trading card market. Read Less