Galileo - Instruments of the Astronomer Secret Book Box Set with Telescope, Globe, and Constellations Hand Crafted Set consists of two books, Large (10.5"x8x2.75) Small (8.25"x5.85x2) Magnetic Locking Mechanism Faux Vintage Leather Cover Over Wood Boxes. Most other "cheaper" book boxes are made of cardboard. Made Using Traditional Book Binding Techniques