So why did the banana split? Well, for the same reason that the jackhammers hit the road, the lettuce headed out, and the jump ropes skipped town. It was even enough to make the baseball players strike out. Here's a hint: it's bigger than a breadbox. And named Rex. With Jimmy Holder's sly illustrations bringing every pun to life, Rick Walton's verbal deftness will leave readers splitting too-their sides.