The first four Zach & Zoe mysteries, now in a paperback boxed set--the perfect starter-kit for early chapter book readers! There's nothing eight-year-old twins Zach and Zoe Walker love more than playing sports and solving mysteries. And when those two worlds collide . . . well, it doesn't get any better than that. Once again, bestselling author Mike Lupica charms his youngest readers yet with a sports-loving detective duo who can swing for the fences and catch the culprit in one fell swoop. With a recipe equal parts sports and mystery, the Zach and Zoe Mysteries break fresh ground for an author who has been called the greatest sportswriter for kids. Boxed set includes paperback editions of: The Missing Baseball , The Half-Court Hero , The Football Fiasco , and The Soccer Secret