There is a city beneath New York City, one made by and for Anybodies. There you can find Bing Chubb's Ballpark, Willy Fattler's ever-changing Underground Hotel, and a castle whose spire sticks up into the dirt-filled sky...dangerously close to the rear ends of unsuspecting picnic-goers in Central Park. It's an extraordinary place, but it is in danger of becoming ordinary because of the nefarious Blue Queen. Somebody has to stop her, and if anybody...