10. Adrian Burgos Jr., Playing America's Game: Baseball, Latinos, and the Color Line (2007). Until recently, baseball historians routinely ignored the reality that Latinos were a part of professional baseball (including the Negro Leagues) from its early days, beginning with Esteban Bellan, a Cuban who played in the National Association between 1871 and 1873. Using archival materials from the United States, Puerto Rico and Cuba, and interviews with major league and Negro League players, Burgos reveals how Latino players negotiated racial barriers. Some Latinos "passed" for white, and some Black players "passed" as Latinos, depending on which group was more accepted in particular times and places. He shows how the idea of "race" is an arbitrary category, subject to changing prejudices and conditions. Some Anglicized their names to avoid discrimination. Some Negro League teams were comprised almost entirely of Cubans. Some major league teams were more willing than others to recruit Latino players, laying the groundwork for the Brooklyn Dodgers general manager Branch Rickey to sign Jackie Robinson to officially dismantle the major league color line in 1947. Burgos, a history professor at the University of Illinois, offers captivating profiles of the trials and triumphs of players like Minnie Minoso, Robert Clemente, Orlando Cepeda, and other Latino pioneers, many of them little-known even by many baseball fans.