NEW YORK (SI.com) -- Beginning in 1998 with injections in his buttocks of Winstrol, a powerful steroid, Barry Bonds took a wide array of performance-enhancing drugs over at least five seasons in a massive doping regimen that grew more sophisticated as the years went on, according to Game of Shadows, a book written by two San Francisco Chronicle reporters at the forefront of reporting on the BALCO steroid distribution scandal. The authors, Mark Fainaru-Wada and Lance Williams, describe in sometimes day-to-day, drug-by-drug detail how often and how deeply Bonds engaged in the persistent doping. For instance, the authors write that...