World's Hardest Puzzles


Book Description

Match your mind with the world's greatest brains! If you can match minds with the greatest brains, then you have a chance of solving these puzzles. Try this one right now: A word I know, six letters it contains, subtract just one and twelve, you'll find, remains. If you can prove that six minus one equals twelve, you win the prize for smart thinking! If you miss it, or any others in this book, all the answers are at the back. Great cartoons and illustrations will help and entertain you, while your brain gets to work on these topnotch, trick challenges. More than 90 of the world's hardest puzzles start with super-hard puzzles and move up to out of this world hard. You'll love each and everyone!




The World's 200 Hardest Brain Teasers


Book Description

FLEX YOUR brain power like never before! From acclaimed author Dr. Gary Gruber, whose proven critical-thinking methods have sold more than seven million books, this collection of mind-bending brain teasers is sure to challenge even the most experienced problem solver. Inside are logic puzzles, riddles, maddening math problems, mental games, and more! A ship is twice as old as the ship's boiler was when the ship was as old as the boiler is. The ratio of the boiler's age now to the ship's age now is what? What English word contains all the vowels, in alphabetical order? What is the three-digit number that can be made from the digits 2, 3, 5, and 7 where no two digits in the three-digit number are alike, and where the three-digit number is a multiple of each of the digits chosen? Stumped? Dr. Gruber reveals the fascinating explanations and detailed strategies for solving even the trickiest problems using his exclusive Gruber Method. DISCLAIMER: The brain teasers in this book may get you so wrapped up in critical thinking that you may not be able to do your regular work until you solve them! Any abrupt or gradual increase in creativity, intelligence, or motivation to get a better job suited to your newfound talents is strictly the reader's responsibility. For more than thirty years, Gary R. Gruber, PhD, has been recognized as a leading expert on the SAT, test-taking methods, and critical-thinking skills. His methods have been used by PBS, Sylvan Learning Centers, Grolier's Encyclopedia, and school districts throughout the country. Dr. Gruber's innovative problem-solving strategies make up the heart of the new MyMaxScore's online test prep (www.mymaxscore.com).




Cain's Jawbone


Book Description

Six murders. One hundred pages. Millions of possible combinations... but only one is correct. Can you solve Torquemada's murder mystery? 'If James Joyce and Agatha Christie had a literary love child, this would be it.' The Daily Telegraph In 1934, the Observer's cryptic crossword compiler, Edward Powys Mathers (aka Torquemada), released a novel that was simultaneously a murder mystery and the most fiendishly difficult literary puzzle ever written. The pages have been printed in an entirely haphazard order, but it is possible - through logic and intelligent reading - to sort the pages into the only correct order, revealing six murder victims and their respective murderers. Only three puzzlers have ever solved the mystery of Cain's Jawbone: do you have what it takes to join their ranks? Please note: this puzzle is extremely difficult and not for the faint-hearted. 'A unique hybrid of word puzzle and whodunnit.' Literary Review




The New York Times Hardest Crosswords Volume 1


Book Description

The first in a new series featuring only the toughest crossword puzzles from The New York Times. Are you up for the challenge? Many puzzle fans love the deviously difficult New York Times Friday and Saturday crosswords: They’re the hardest puzzles around, and once you’ve conquered them, you’re a true Puzzlemaster! Features: - 50 New York Times Friday and Saturday crosswords - Edited by crossword legend Will Shortz - Spiral binding for convenient lay-flat solving




Puzzle Baron's Logic Puzzles


Book Description

Get your brain working with 200 grid-based logic puzzles from the Puzzle Baron! Filled with complex and fun brain teasers that range in difficulty, this book will put your mind into overdrive with hours of brain-challenging fun. Using the given backstory and list of clues, readers use pure logic to deduce the correct answer for each fiendishly tricky puzzle in Puzzle Baron's Logic Puzzles. Bring out your competitive side and check your stats against the average completion time, the record completion time, and the percentage of people who finish the puzzle. Check your work against the answer key and see how logical you really are! Perfect for adults or children, Puzzle Baron's Logic Puzzles is the ultimate challenge for those who love piecing clues and facts together. The brain is a wonderful thing to tease!




The World's Most Difficult Quiz


Book Description

Which US president did Washington Irving once unflatteringly refer to as a “withered little apple-john?” What reduplicative word refers to a Siamese three-wheeled taxi? In which city is Charlemagne's octagon? These and other fiendishly difficult questions have stumped pupils at King William's College as part of its annual General Knowledge Papers for more than a century—along with Guardian readers, for whom the test has been reprinted in its entirety since 1951. Here, for the first time, is a compendium of the wonderfully obscure questions—and their often unexpected answers—that have appeared on the test over the past thirty years. Guaranteed to challenge even the most ardent trivia enthusiast, this exhaustive compilation is organized thematically and chronologically and includes a set of previously unpublished questions by current quizmaster Pat Cullen. For history hotshots, fountains of fact, and perennial powerhouses of pub trivia, The World's Most Difficult Quiz lives every bit up to its superlative name, offering an addictive assortment of intriguing questions.




Ai Escargot


Book Description

This book contains AI Escargot, the world famous sudoku puzzle which became the most difficult sudoku puzzle known in 2006. There are also several hints for solving AI Escargot in the shortest and most logical way. In addition, the book has 166 other sudoku puzzles in 11 categories. This makes it very convenient to find out your own level and to learn more! The author, Arto Inkala, is a puzzle creator and a doctor of science in the field of applied mathematics.




World's Trickiest Puzzles


Book Description

Word and number problems, visual mysteries, and even sneaky puns and riddles will keep solvers on their mental toes as they try to uncover their solutions. There are pictures filled with mistakes to find, match-stick games, scrambled words, rebuses, crafty calculations, and much more.




World's Hardest Killer Sudoku


Book Description

I've listened to your requests. Finally, a book full of IQ Killer Sudoku puzzles and a few INSANE. Nothing easier than that! One puzzle per page. No other explanation needed. You wanted fiendish killer sudoku puzzles, I delivered. The ball is in your court. Or, rather, the book. And the pencil. Play!




The Hardest Hidden Pictures Book Ever


Book Description

Packed with dozens of the most difficult Hidden Pictures puzzles Highlights has ever created, this book is perfect for advanced puzzlers ages 8-12 looking for a next-level challenge! This jam-packed collection includes over 80 advanced Hidden Pictures puzzles, including photo puzzles, puzzles without clues, puzzles with scrambled clues and more. A great gift for anyone who loves a puzzle challenge, this engaging activity book is filled with more than 1,500 total objects to find. Kids (and grown-ups, too) will need to keep their eyes peeled searching through hilarious scenes like sloths playing ping pong, dogs enjoying a fiesta, and a fishy carnival. There are both full-color and classic black-and-white scenes to solve. Over 125 pages of puzzles adds up to hours of screen-free fun, great for keeping kids engaged during road trips or rainy afternoons at home. Plus, this book is crafted by puzzle experts to include learning benefits parents can count on. Searching for hidden objects is a great way for kids to develop important school skills like vocabulary, concentration and visual perception. Every puzzle solved will boost kids’ confidence and encourage them to take on new challenges.