For thousands of years, one scientific puzzle has fascinated and perplexed the greatest philosophers, mathematicians, physicists, and psychologists--why do the moon and sun appear so much larger on the horizon than when high up in the sky? Now, two leading psychologists have provided a compelling account of this fascinating illusion. Taking us through the history, the characters involved, the attempts made to explain the illusion, though to modern day studies of visual perception, the book is the most comprehensive account of this puzzle so far. This is a work that will remain, for some time...