The Kid Who Only Hit Homers

Description for THE KID WHO ONLY HIT HOMERS by Matt Christopher:

Sylvester loved baseball, but he wasn't what you'd call a good hitter. He had already decided against joining the Redbirds when he met George Baruth. "I'm going to help you become one of the best players ever," the mysterious man promised. Before long Sylvester was hitting home runs every time he was at bat. But along with his good luck came troubling questions: How should he handle his new-found fame? How long would his hitting streak last? And, most important, who was Mr. Baruth?