Abstract: The present invention relates to a book comprising a first outer cover having a substantially planar body defining a first aperture extending therethrough; a second outer cover having a substantially planar body defining a second aperture extending therethrough; and at least one inner element located between the first and second outer covers, the or each inner element having a substantially planar body defining an inner element aperture extending therethrough; wherein at least a portion of the first and second apertures and the or each inner element aperture are aligned with one another to define a receiving aperture extending through the book.