'The Prince of Fenway Park," Julianna Baggott's latest novel for younger readers, centers on a 12-year-old boy who helps break the curse that once bedeviled the Boston Red Sox. Baggott's story incorporates time travel, racial prejudice, and a cast of fantasy creatures who inhabit Fenway Park's nooks and crannies. Babe Ruth, Jackie Robinson, Bill Buckner, and Tom Yawkey figure in ...