John Henry swims better than anyone I know. He crawls like a catfish, blows bubbles like a swamp monster, but he doesn't swim in the town pool with me. He's not allowed. Joe and John Henry are a lot alike. They both like shooting marbles, they both want to be firemen, and they both love to swim. But there's one important way they're different: Joe is white and John Henry is black and in the South in 1964, that means John Henry isn't allowed to do...