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.

All you need is a pencil (and an eraser) to enjoy the twists and tricks, the dead ends and sudden "aha!" experiences, that are yours when you try a pixel puzzle. Start with the puzzles that are merely hard to solve, like the baseball player, the ambulance, and the Liberty Bell. Then go on to the harder ones, like the wedding cake, the elephant, and the trumpeter. Soon you'll be ready to take on the hungry shark, the picture of James Dean, and the astronaut--104 collectible designs in all!

Think ordinary conundrums are just too humdrum? Do you finish crossword puzzles in ink and in no time flat? Then get ready for a serious test of your skills, with the ultimate in mental challenges. We've got crosswords of course; more than 50 tough, "regular" ones. But you'll also enjoy dozens and dozens more of different varieties, including devilish "Crushwords" where you have to put more than one letter in each square, and mind-blowing math and logic teasers known as pixel puzzles, where if your answers are correct you'll create a picture of success! And if that isn't enough, you'll also find word puzzles that demand "lateral thinking," and may well be the truest test of your abilities.

There's more than what meets the eye in these puzzling pictures. Readers will pour over the pages of this immersive book of image-based riddles. Even reluctant readers will love engaging with these mysterious visual conundrums. Each puzzle features charming illustrations. Handy intros to each puzzle help readers get started. As they progress through each problem, readers will develop critical and creative thinking skills. They'll practice logic and reasoning. Fun and accessible, these unique puzzles will entertain readers for hours, making this a popular addition to any library or classroom.

Paint-doku, also known as pixel puzzles, are optical mind bogglers created to engage and perplex logical thinkers.