Jackie & Me by Dan Gutman

A modern-day boy discovers that an old baseball card can send him back to 1947, where he meets the man who will break Major League Baseball’s color barrier; living through the insults, threats, and quiet heroism that surround Jackie Robinson, the boy confronts racism, learns what real courage and friendship mean, and must grapple with how his actions in the past could affect the future.

Purchase from Bookshop.org