Everything you need to understand or teach Sammy Sosa by Bill Gutman.
The focus of Sammy Sosa: A Biography is on the 1998 baseball season during which Sosa hit sixty-six home runs. Most aspects of his life prior to 1998 are only sketched and not presented in detail. Gutman points out the pitfalls of Sosa's career, but they and Sosa's early successes are all treated as preludes to Sosa's superb 1998 season. Sammy Sosa is written as a popular biography, not a definitive one, and young adult readers may be interested primarily in Sosa's actions during the season that made him a prominent public figure, as well as establishing him as one of baseball's greatest players.