Turntable Illusions is a book and/or CD-ROM that features 40+ patterns that create kinetic optical illusions when spun. Now anyone can experience the Fechner-Benham effect, the cockeyed illusion, the spiral aftereffect, McKay’s rays, the whirlpool illusion, the Benussi effect, the Musatti effect, Fraser spirals, anamorphic dominoes, and dozens of other mind-blowing illusions—all for one low price! Better than drugs…and no side effects! $19.95, includes book and CD-ROM!

You can order an autographed copy of the book by sending an email to the author: JohnKremer@bookmarket.com.