Book excerpt: The Chicago Cubs are one of the most historic teams in Major League Baseball, and their World Series championship in 2016 will forever remain one of baseball's iconic triumphs. In If These Walls Could Talk: Chicago Cubs, Jon Greenberg of The Athletic Chicago provides insight into the team's inner sanctum as only he can. Readers will gain the perspective of players, coaches, and personnel from this modern era in moments of greatness as well as defeat, making for a keepsake no fan will want to miss.