Limited stock available and price has been reduced to only £9.50 + postage.

This is the first book to contain amazing Duillusions® (Two images in one). When you view them on your camera phone you see a different message or image. Also included are anamorphic distortions and 3D effect illusions like the image of a spider that looks real when viewed at a certain angle!

A must if you are interested in optical illusions and visual perception. A great Christmas gift suitable for all ages and often refered to as 'Cool' by the younger generation who are never without their smartphone.