A book has two covers and a set of book pages contained between the covers. The covers close to form a shape which has an external appearance resembling the head of a creature, with two eyes and a mouth. The two covers are joined to one another along a minor portion of the circumference, and are connected along the remaining portion of the said circumference by a releasable fastener such as a zip such that the fastener (the zip) forms the mouth. The pages of the book can be accessed by releasing the fastener and hinging open the two covers about the minor portion of the circumference.