Sudoku (soo-doh-koo) is a 9x9 logic puzzle to superheat the very core of your brain and to challenge your numeracy, spacial awareness and problem-solving abilities. Warning: the five levels of "Penguin Sudoku Challenge: Volume 2" may leave you smugly grinning, scratching your head, sighing deeply, snapping your pencil - and you may even throw your book at the wall. But you also have permission to frame your most difficult completed 9x9s. Good luck!
Start off easy, with medium-level Sudoku, move on to the harder grids, and finally try your luck with the tear-your-hair-out very, very HARD conundrums. Even though you're filling in the boxes with numbers, there's no math skill required; just pure logic. The introduction provides basic strategies, explaining how to exclude possibilities and leading you through a sample puzzle in great detail. By the time you've made it through this collection, you'll have sharpened that gray matter and built those mental muscles.
These 99 number-crunching puzzles are sudoku PLUS! Just like the familiar sudoku that solvers love, the grids go from one to nine, with each number appearing only once in each row, column and box. The twist is that you need to do a little arithmetic, too - multiplying, dividing, adding and subtracting, according to the signs in the grid. Its a fresh, challenging and mathematical take on the super-popular puzzles.
The perfect companion for vacation, this collection contains more than 90 puzzles, including memory, word, and number workouts; codes; battleships; and mind-bending spot-the-differences. There are hours of fun to be had with Japanese puzzles, including hanjie, kakuro, hitori, sudoku, and lots more. Let the brain games begin.
Every one of the 365 word searches included in this mega volume has a theme, from "Carnivores" to "Winter Storms." But watch out: some are easier than others. Go for pop culture topics old and new like "Katy Perry," "Emmy Winners," or "Comedy Films" for an easier puzzle. Want something more challenging? Take a look at the list for "G Words." Every one begins with the letter "G," so it's nearly impossible to find what you're looking for. A perfect option for word-searchers of all ages and skill levels.
Bigger IS better! Created by one of the best puzzle makers in the business, this giant collection (more than 850 pages!) features hundreds and hundreds of sudoku. The puzzles range from easy to challenging, and offer a ton of fun for solvers of every level. With something this supersized, who needs any other sudoku book?
Train your brain with puzzles and keep your mind in smart shape! Expert puzzlers Peter De Schepper and Frank Coussement offer both new converts and Sudoku enthusiasts the opportunity to flex their mental muscles. No math required--just a bit of logic. An approachable introduction explains Sudoku rules and strategies, including the art of excluding (eliminating possibilities), situating (finding that box where only one number is possible), securing (a helpful way to look at patterns), and framesecuring (a technique puzzlers need mastery of when tackling the hardest of all Sudoku).