Hidden Dimensions: Use Your Deep Vision to Solve Mazes, Riddles, and Other Perplexing Puzzles, by Dan Dyckman (oversize HC, 1994, $2)
"These Hidden Dimensions images are many things rolled up into one. They are made using a recently invented scientific principle for representing a three-dimensional image on a two-dimensional page. But they're not mere science. Since 1989, I've been working at bringing these images into the realm of art".
And:
Magic Eye: A New Way of Looking at the World, by N. E. Thing Enterprises (oversize HC, 1994, $2)
Not everyone can teach their eyes to see stereoviews in 3D without the use of glasses. Try your luck here and see if you can! Look for this book in the puzzle section, avail. 12/21.
