Do you want a hidden room? Or a maybe safe room? Well, now you don't have to pay custom prices and suffer through long delays to do it! Conceal a seldom-used room, create a hidden safe room, or turn a door into a functional storage/display area with an InvisiDoor bookcase! Our in-stock and ready-to-ship InvisiDoor hidden bookcase kits come assembled and ready to install with our unique pivot hinge. Hinge kits are also sold separately for custom installations.