Designed with an eye towards lateral thinking and 3-dimensional architecture, these 37 labyrinths are sure to be the most challenging you've ever encountered. They will give you amusement, frustration, redemption, aggravation, and maybe--just maybe--celebration. Are things only as hard as we perceive them to be? Or are these really that tough? Try them and see! 64 pages 8 3/8 x 8 1/2.