Sudoku for the super-smart Mensa members are known for their finely-honed logic skills--and that's just what it takes to become an expert at sudoku. So it's no surprise that this organization for the highly intelligent has put together a huge collection of these sizzling-hot puzzles--a whopping 534 games to sate the obsessed solver's craving. They start out relatively easy for the newcomer, and get harder (and more fun ) as you go along.

Here it comes: a revolution in sudoku solving! This is by far the most complete guide to cracking these addictive puzzles ever produced, with tricks even the experts won t know. While most books might have a few pages of introduction before proceeding straight to the sudokus, this one covers it all: hidden pairs, naked pairs, X-wings, jellyfish, squirmbag, bivalue and bilocation graphs, turbot fish, grid coloring, and chains. Every single one is here, and much more too, including the exclusive Gordonian logic methods (Gordonian rectangles and Gordonian polygons) that will turn even the hardest puzzles into a breeze. Of course, there are hundreds of sudoku for practice. A very special addition is a reprint of the very first sudoku ever published in 1979, from "Dell Pencil Puzzles and Word Games" magazine!"

A super-sequel to Mensa(R) Sudoku--which will easily equal the popularity of the first, 145,000 copies sold and climbing! Written by Frank Longo, one of the best sudoku creators around, it offers 534 fantastic puzzles (all in the standard 9x9 format) that go from very simple to extremely hard. That means smart newcomers can get started solving immediately and hone their skills as they proceed logically through the book. By the end, they'll have become experts, ready for any sudoku that comes their way.

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. Part of the Absolutely Nasty Sudoku series, this book provides basic and intermediate puzzles and techniques.

From Nikoli, the Japanese puzzle company that created the sudoku craze, comesa title that starts at hard and goes to a level of difficulty not seen in anyprevious books.

Expert Sudoku is an all-new collection of handcrafted puzzles for the expert puzzle-solver. This is the book that challenges skilled solvers and Sudoku-lovers at the top level—every one of the 320 puzzles is rated "difficult." Good luck!

It’s puzzle nirvana for crossword lovers who have just a few minutes to spare, but still crave a challenge. Adapted from the popular Mensa 10-Minute Crossword Puzzles Page-A-Day Calendar, Mensa 10-Minute Crossword Puzzles strikes a perfect balance: The puzzles are tough enough to be sanctioned by Mensa, the internationally famous high-IQ society, but are designed to be solvable in ten minutes or less. Expertly written by puzzle master Fred Piscop, Mensa member, author of the Mensa calendar, and frequent crossword contributor to both The New York Times and The Washington Post, these cleverly themed crossword puzzles will appeal to both seasoned solvers and novices looking to hone their skills. They are an addictive addition to your morning routine (just add coffee); perfect for evening downtime; just right for your commute on the subway, or while waiting at the doctor’s office or sitting in a restaurant—anytime you need a mental pick-me-up. The book’s chunky format, which works so well for puzzle books like The Original Sudoku series, fits easily into a purse or bag. An answer key is included at the back of the book.

Sudoku has become an addiction for millions--and that’s great, because mind games help keep our brains in good working order. But even though the rules are simple, many solvers need some help when cracking the more complicated grids. That support is here in abundance...enough to take to you into the realm of the Very Difficult and even the Fiendish. Using this attractive guide, solvers will smoothly progress through 52 stages, each with a self-testing and timed puzzle to monitor progress. Chock-full of tactics and tips, and drawing on strategies evolved by Sudoku experts from Japan, Europe, and the United States, this little book takes you to the top.

First came sudoku, and it captivated millions. Then came wordoku, a fabulous letter-based form of the wildly popular puzzle. Now, get ready for a third great variation: wordoku with an added word search surprise! So fans get two puzzles in one, for more fun. Start solving these the same way you would wordoku, by filling in the 9 x 9 grid so the letters don t repeat in any row, column, or box. Then, when you re done, start looking for and circling all the words with four or more letters hidden in the puzzle. Go up, down, and diagonally, but remember: if you haven t completed the grid correctly, you won t find all the words! And be warnedthe puzzles get harder as the book goes along."

Sending a telegram to puzzle lovers: get ready, because this collection is the greatest thing to happen to sudoku yet! With millions of fans of the original 9x9 number puzzles, there’s always a huge audience waiting with pencils poised for the newest development in the form. This fun and challenging word game variation follows all the traditional sudoku rules, except for one thing: every row, column, and square in the completed grid is also an anagram--so it takes a little extra smarts to finish solving. Cleverly constructed by two of the best puzzle creators in the business, this is sure to be the next sudoku-based hit.