This amazing story, for kids and adults, tells how a boy, Alex, and Mr. Brown, a bear detective, find - deep in the stacks of The New York Public Library - and then save The Best Book in The World. It has villains, heroes, bookwolves, Library Lions, a Keeptress, the Unreading Room, and the automatic natural order of things - and, of course, House Rule No. 33 and an amazing conclusion