Abstract: Book Organizing Device with A flat, horizontally disposed shelf like member, a fixed, vertical end panel attached to one end of the shelf member, a slidable vertical panel having a constant force spring centrally attached under the shelf member, the slidable vertical panel exerting approximately one pound of force inwardly towards the fixed end panel, the constant force spring having an encoder ring mounted to the spring reel, a photo diode placed to read said encoder ring that provides a signal any time said ring is rotated, said signal triggering one of a plurality of short recorded messages to be broadcast from a speaker located on the underside of said book shelf, said messages being stored and selected by a digital programmable microprocessor designed for such purposes, and Said shelf member also having a rear book retaining bracket to prevent books from being pushed too far to the rear of the shelf.