When a ghost haunts a neighborhood bookstore and starts releasing fictional characters into the real world, four kids must team up to solve an exciting mystery surrounding the ghost's unfini... Read allWhen a ghost haunts a neighborhood bookstore and starts releasing fictional characters into the real world, four kids must team up to solve an exciting mystery surrounding the ghost's unfinished business.When a ghost haunts a neighborhood bookstore and starts releasing fictional characters into the real world, four kids must team up to solve an exciting mystery surrounding the ghost's unfinished business.