What you see is not what you get!
Imagine bats and birds that look like faces!
Macabre skulls that appear on anything white!
Three donkeys with o nly three ears among them!
And walls that disappear! Nothing is as it seems, and first impressions are just that -- impressions, not truths.
Examine drawings that fool the eye into believing a flat surface is three-dimensional, that coils are rolling from left to right across the page, and white spaces are flashing at you - plus more.
Find out about closure, lines of perspective, the "Rubin Vase", and how such concepts and techniques can heolp you untangle these fascinating tricks of eye and mind.