NEW YORK TIMES BESTSELLER • “Endlessly inventive . . . [a] hybrid of Alice in Wonderland, The Wizard of Oz, and The Phantom Tollbooth.”—SalonWhat is Un Lun Dun? It is London through the looking glass, an urban Wonderland of strange delights where all the lost and broken things of London end up . . . and some of its lost and broken people, too–including Brokkenbroll, boss of the broken umbrellas; Obaday Fing, a tailor whose head is an enormous pin-cushion, and an empty mi