Frenetic

Why is it that when I take a book off the shelf, other books want to follow it and be read as well? Not only the proximal tomes, but there are visible rustlings all along the shelf. Quartos are especially eager. Bits of labels and notes flutter down, their adhesive tape long since degraded. The shelf is unstable. There is only one book that refuses to move - the Laws of Zoning and Planning. I go to see what's holding it in. Pulling on it trips a switch, and a hidden door opens to a room full of clichés.