77 pages | July 30, 2006 | PDF | 34 mb
A fascinating collection of optical illusions, many of which have never before been published in this form. Caltech cognitive vision scientist Al Seckel , the worlds leading authority in optical illusions, has assembled this collection from the many thousands in his possessions.
Link
http://rapidshare.com/files/67816917/Incredible_Visual_Illusions.zip