Search results for ""Author Frank Longo""
Union Square & Co. Absolutely Nasty® Sudoku Level 1
The vast majority of sudoku puzzles that are labeled "hard," "expert," "challenger," are not really all that difficult. And in a surprising number of cases, they are downright easy. In the "Absolutely Nasty Sudoku" books, you will find puzzles truly worthy of the label "hard." The puzzles increase in difficulty throughout the four books in the series. It ranges from basic and intermediate puzzles and techniques at Level No. 1, to the most advanced techniques at Level No. 4, along with puzzles that require multiple advanced techniques each time.
£8.99
Union Square & Co. Way Beyond Black Belt Sudoku (R)
Go way beyond difficult, with the hardest, most brain-busting sudoku you've ever seen! Calling all sudoku-solving diehards: with every puzzle requiring upper-level strategies, this collection packs even more of a punch than our previous Beyond Black Belt Sudoku. Get ready, because you'll encounter common advanced techniques with curious-sounding names like XYZ-Wing, Finned X-Wing, Sashimi X-Wing, Swordfish, Jellyfish, Gordonian Rectangle, and Gordonian Polygon. And you might find some tricky new things here, too, from Grouped X-Cycle and Simple Grid Coloring to 3D Medusa and Bi-Value Universal Grave. The sudoku generally become increasingly difficult as the book goes along, from "pretty darn hard" to "excruciating." Are you up for the challenge?
£8.23
Sterling Large Print Sudoku 3
£11.99
Union Square & Co. Second-Degree Black Belt Sudoku®
With a separate sudoku book for every level, all puzzle lovers can play this wildly popular, incredibly addictive game that's appearing in major newspapers all over! Taking a page from karate - another Japanese art - each title is graded by colour: White Belt for easy, Green Belt for medium level, Brown Belt for hard, and Black Belt for the super-tough solvers. And because each book has an amazing 300 puzzles, the fun can go on for hours.
£8.23
Union Square & Co. Martial Arts Sudoku (R) 2024 Day-to-Day Calendar
Hone your skills by solving a grid a day with this 2024 box calendar of sudoku puzzles ranging from easy to hard, created by puzzle master Frank Longo. If you love sudoku, what better way to treat yourself than to set aside a little time for one every day with a sudoku calendar? Tackling the sudoku by puzzle master Frank Longo in this daily calendar is a rewarding ritual. The rules are simple: fill in the empty squares so that every digit from 1 to 9 appears once (and only once) in every row, column, and 3×3 box. Answers are given on the back of the tear-off pages. You’ll find day and date references on every page, as well as major and national holidays, and combined weekend pages. On Mondays, ease into your day with easy “White Belt” puzzles; the level of difficulty slowly increases as the week goes on, leading up to tricky “Black Belt” sudoku on the weekend, when you’ve got extra time to take on the challenge.Features of this puzzle calendar include: • Day and date reference on every page, with combined weekend pages • Major and national holidays in the US, Canada, and UK • Answers on the back of each tear-off page • Difficulty rating for each puzzle • Recyclable cardboard backing with built-in folding stand for desk or tabletop display
£11.69
Union Square & Co. Sit & Solve Tough Sudoku
The logical choice for lavatory reading. If you’re going to be sitting in one place for a while, a tricky sudoku is just the thing to pass the time. (Make sure you’ve got a spare eraser under the sink.)
£7.04
Sterling Publishing Co Inc Sudoku Puzzles for Your Backpack
£7.78