These are think-out-of-the-box brainbusters, lots of fun for anyone who enjoys a challenge. Some of the situations presented may seem really strange, and almost impossible to solve, but once the obvious assumptions are discarded, the answers begin to come into focus. View More...
Give your brain a workout on the type of brainteasers that challenge the best solvers at the World Puzzle Championships. They're tough, but fun, and the feeling of satisfaction you get when you succeed is simply unbeatable. Some of the puzzles are oldies but goodies, like battleships--and its many variants--where you search for a fleet hidden within a grid. In Eminent Domain, try to determine which blanks cells are owned by the numbered ones. For Hex Loops, locate a path that travels through adjacent hexagons: the trick is, it has to end where it started, and the lines can't touch or cross. Fr... View More...
A collection of challenging puzzles to give the brain a workout. Critical thinking requires making observations, predictions, generalizations, comparisons, contrasts and connections. This book shows how to finish layouts, do tricky calculations and solve complex mysteries of visual designs. View More...
Finally, a puzzle book as bright as its readers. Not only will puzzle-doers find wickedly tricky brainbusters on every page, but all the accompanying illustrations are in brilliant colour too. And that makes unraveling these challenging conundrums even more fun. View More...
Playing with mathematical riddles can be an intriguing and fun-filled pastime -- as popular science writer Martin Gardner proves in this entertaining collection. Puzzlists need only an elementary knowledge of math and a will to resist looking up the answer before trying to solve a problem.Written in a light and witty style, Entertaining Mathematical Puzzles is a mixture of old and new riddles, grouped into sections that cover a variety of mathematical topics: money, speed, plane and solid geometry, probability, topology, tricky puzzles, and more. The probability section, for example, points ou... View More...
Lateral thinking involves logic and imagination at the same time, the attempt to find a logical explanation for strange circumstances. For example: A policeman saw a truck driver clearly going the worng way down a one-way street but he didn't try to stop him. Why not? The truck driver was walking. View More...
Lateral thinking involves logic and imagination at the same time, the attempt to find a logical explanation for strange circumstances. For example: A policeman saw a truck driver clearly going the worng way down a one-way street but he didn't try to stop him. Why not? The truck driver was walking. View More...
Catch crooks, expose con artists, and trap liars Solve mysteries, explain conundrums, and match wits with evil geniuses All it takes is paying strict attention to every word of the MindTrap story. It's harder than it looks, because most people picture the stories in their minds, and usually imagine something that isn't there, or overlook a crucial detail. But you can defy the odds. Trap the auctioneer who's trying to sell an old letter addressed to Queen Elizabeth I. How? Because you know she wasn't called "the first" until centuries later when there was a second Queen Elizabeth. Or capture ... View More...
Catch crooks, expose con artists, and trap liars Solve mysteries, explain conundrums, and match wits with evil geniuses All it takes is paying strict attention to every word of the MindTrap story. It's harder than it looks, because most people picture the stories in their minds, and usually imagine something that isn't there, or overlook a crucial detail. But you can defy the odds. Trap the auctioneer who's trying to sell an old letter addressed to Queen Elizabeth I. How? Because you know she wasn't called "the first" until centuries later when there was a second Queen Elizabeth. Or capture ... View More...
The latest in the hugely popular series of think-out-of-the box brainteasers, including Classic Lateral Thinking Challenges and Colorful Lateral Thinking Puzzles. Here's how you play the game and figure out these perplexing puzzles: take one of the scenarios, and with the help of a friend who looks at the answer, pose a series of yes and no questions until, by a process of elimination and deduction, you arrive at the solution. If you get stuck - and everyone does from time to time - there are additional clues to push you along. Keep trying and you will reach that glorious aha moment when ever... View More...
Normal situations veer off into the bizarre, confounding and surreal, and it's left to you to figure it out. Welcome to the world of perplexing lateral thinking puzzles. The puzzles are great fun to solve yourself, but they also make perfect party games providing hours of debate and discussion. 96 pages, 20 b/w illus., 5 3/8 x 8 1/4.
Normal situations veer off into the bizarre, confounding and surreal, and it's left to you to figure it out. Welcome to the world of perplexing lateral thinking puzzles. The puzzles are great fun to solve yourself, but they also make perfect party games providing hours of debate and discussion. 96 pages, 20 b/w illus., 5 3/8 x 8 1/4.
DON'T MISS OUT ON THE NEWEST PUZZLE CRAZE! From Japan to London to the U.S., sudoku is the new puzzle craze that's taking the world by storm! Now Puzzlemaster and New York Times crossword editor Will Shortz presents this brand-new collection featuring 150 sudoku, along with an introduction that explains these fascinating puzzles and how to solve them. These addictive puzzles are easy to understand -- just fill the grid with numbers according to the few simple rules -- but incredibly fun and engaging to complete. You don't need any knowledge of mathematics: just a pencil and an inquisitive mind... View More...
GET HOOKED ON THE LATEST PUZZLE CRAZE It's hot, fun, mind-boggling, and once you start, you won't want to stop. It's sudoku -- the new puzzle rage that's got the nation in a frenzy. New York Times crossword editor Will Shortz presents yet another stimulating and fun collection of 150 sudoku puzzles, ranging in difficulty from easy to more challenging. There are just a few simple rules: Fill in the empty boxes in the grid of 81 boxes, divided into nine three-by-three squares, so that every row, column, and square contains the numbers 1 through 9, without repeating. You don't need any mathemati... View More...
GET HOOKED ON THE LATEST PUZZLE CRAZE It's hot, fun, mind-boggling, and once you start, you won't want to stop. It's sudoku -- the new puzzle rage that's got the nation in a frenzy. New York Times crossword editor Will Shortz presents yet another stimulating and fun collection of 150 sudoku puzzles, ranging in difficulty from easy to more challenging. There are just a few simple rules: Fill in the empty boxes in the grid of 81 boxes, divided into nine three-by-three squares, so that every row, column, and square contains the numbers 1 through 9, without repeating. You don't need any mathemati... View More...
Sudoku is a wildly popular puzzle game. Sudoku puzzles are 9x9 grids, and each square in the grid consists of a 3x3 subgrid called a region. Your goal is to fill in the squares so that each column, row, and region contains the numbers 1 through 9 exactly once. And some squares already contain numbers or symbols, which lend clues toward the solution.Programming Sudoku provides you with great approaches to building and solving Sudoku and other similar puzzles. Using ingenious artificial intelligence and game theory techniques, you'll learn how to get a computer to solve these puzzles for you.Thi... View More...
Books for the smallest room in the house... That generate BIG sales It's clear--people everywhere are sitting and solving That's why more than 110,000 copies of this amazing series have nearly jumped out of stores. With their amusing shape, great content, and popular price, these compilations are a must-have on every puzzler's shelf. And the quality of the problems, games, and trickery is absolutely superb and fabulously diverse. Go for great word searches, stimulating criss-cross puzzles, brilliant brainteasers; cunning logic games, cannily challenging IQ Tests, mysterious mathamatricks, and... View More...
This collection of puzzles is designed to keep your mind busy while you're waiting for nature to take its course. This toilet-seat shaped puzzle book requires you to apply your logic and test your abilities of deduction. View More...
Features logic puzzles that provide enough information to find the answer. This guide helps you how to use deductive reasoning to eliminate false possibilities and reach a solution. View More...
The hottest craze in puzzles On no account should any reader not already hooked so much as a glance at a sudoku. That way lies addiction and madness. Sudoku are to the first decade of the twenty-first century what Rubik's Cube was to the 1970s. --Tom Utley, The Daily Telegraph From puzzlemaster and New York Times crossword editor Will Shortz comes sudoku, the new wordless crossword puzzle that's taking the world by storm Once you start, you won't want to stop. These addictive puzzles are easy to explain--just fill the grid with numbers according to the few simple rules--but incredibly fun a... View More...
The hottest craze in puzzles On no account should any reader not already hooked so much as a glance at a sudoku. That way lies addiction and madness. Sudoku are to the first decade of the twenty-first century what Rubik's Cube was to the 1970s. --Tom Utley, The Daily TelegraphFrom puzzlemaster and New York Times crossword editor Will Shortz comes sudoku, the new wordless crossword puzzle that's taking the world by storm Once you start, you won't want to stop. These addictive puzzles are easy to explain--just fill the grid with numbers according to the few simple rules--but incredibly fun and... View More...
The hottest craze in puzzles On no account should any reader not already hooked so much as a glance at a sudoku. That way lies addiction and madness. Sudoku are to the first decade of the twenty-first century what Rubik's Cube was to the 1970s. --Tom Utley, The Daily TelegraphFrom puzzlemaster and New York Times crossword editor Will Shortz comes sudoku, the new wordless crossword puzzle that's taking the world by storm Once you start, you won't want to stop. These addictive puzzles are easy to explain--just fill the grid with numbers according to the few simple rules--but incredibly fun and... View More...
THE HOTTEST CRAZE IN PUZZLES From puzzlemaster and New York Times crossword editor Will Shortz comes sudoku, the new wordless crossword puzzle that's taking the world by storm Once you start, you won't want to stop. These addictive puzzles are easy to understand---just fill the grid with numbers according to the few simple rules---but incredibly fun and engaging to complete. You don't need any mathematics knowledge: Just supply a pencil and an inquisitive mind.This brand-new collection features original sudoku ranging from effortlessly easy to devilishly difficult, along with an introduction ... View More...
