Perplexing Pixel Puzzles: Visual Challenges for the Logical Mind

It's a puzzle lover's delight! Start with a bunch of horizontal and vertical lines, and then, with all the logic, concentration, and patience you can muster, get hours of pleasure as pictures appear from your own kind of magic. It's easy to master the codes for the blank and black squares. Before you know it, you'll collect 78 different fun images, including Einstein, Elvis, Marilyn Monroe, and Honest Abe, as well as the Sphinx, a skull, a flag, and a dinosaur.