false http://photo.goodreads.com/books/1178929094m/855409.jpg 855409 1 <div>It defies logic! At least, that's what puzzle-doers will think as they work their way through this largest-ever compendium of geometric conundrums. When you look at these images--some classic, others never-before published--you'll have a hard time believing what the captions say about their size, shape, or other geometric aspect. For example, two tables <i>appear </i>radically different to the naked eye--but they're actually identical in size and shape. It's all a matter of perspective and perception. Each puzzle is eye-opening.<br></div> 840899 1 8 2005 SuperVisions: Geometric Optical Illusions (Supervisions) total:2|5:0|4:0|3:1|2:1|1:0| 2 5 2 1 3 0 false false Sun Nov 02 16:48:26 -0800 2008 Sun Nov 02 16:49:37 -0800 2008 2 0 false false Wed Nov 25 13:10:36 -0800 2009 Wed Nov 25 13:10:36 -0800 2009 http://www.goodreads.com/book_link/follow/8?book_id=855409