"Sam and Dave Dig a Hole" is a title that exactly fits its story. Sam and Dave, two boys, head out with just a supply of apple juice and animal crackers. Dreaming of something extraordinary, they dig a hole. Here is where the story gets strange. If you follow just the text, the events are straightforward. The kids keep adjusting their path--but it seems that nothing is "out there." But the pictures tell a different story. Always--just beyond Sam's view--there is an enormous diamond. Always, right before the discovery of the diamond, a wrong turn occurs. So the reader has an early (a first?) taste of dramatic irony. This would just be a decent joke--but then the narrative takes off. We shift to the perspective of Sam's wordless dog. As Sam and Dave nap, the dog hunts for a bone--and his digging causes him to fall through the center of the Earth. Naturally, Sam and Dave (sleeping) fall *with* the dog. On new terrain, Sam and Dave mistakenly believe that they...