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  • 10-Minute Brain Teasersby Gareth Moore

    Skyhorse Publishing 2010; US$ 9.95

    Do you easily forget phone numbers or birthdays? Do you often lose your car keys? Are there times when you just can?t remember your bank card PIN? Do you lose focus at work by mid-afternoon? If you answered yes to any of those questions, then you need to sharpen your mental reflexes, fire those synapses, and give your brain a good, hard, and fun... more...

  • 500 Cryptic Cluesby June Scott

    Troubador Publishing Ltd 2012; Not Available

    500 Cryptic Clues has clues with answers which are not in a regular crossword grid, although they are equally fun to solve. There are many cruciverbalists, from novice to expert, who will enjoy this booklet. more...

  • The Alphabetical General Knowledge Quiz Book 2by Ted Smith

    Andrews UK 2013; US$ 6.49

    Are you knowledgeable about a wide range of subjects? Do you enjoy learning new facts? Or are you swatting up for an upcoming quiz night? Whatever your reason for buying this quiz book you are certain to enjoy these questions with a common link - all of the answers begin with the same letter, arranged in sections from A-Z. Following on from the The... more...

  • Ball of Confusionby Johnny Ball

    Icon Books 2011; US$ 11.65

    TV maths star Johnny Ball presents brain-teasers from his regular slot on his daughter Zoe?s Radio 2 show.  Ball of Confusion is designed to twist your brain into enjoyable knots of empuzzlement ? from puzzles solved in a twinkling of an eye to some that will knit your brow for hours. From how to cheat in a coin toss to why it is that some parts... more...

  • Brainballby Mickey Kolis; Todd Lenz; Benjamin H. Kolis

    Rowman & Littlefield Publishers 2014; US$ 24.99

    Veteran science teachers Kolis and Lenz provide small step-by-step 5E?s lessons and an inquiry-based sequence to guide you through that first learning experience so that you too can play the game of Brainball (Science Edition)! more...

  • Crossworldby Marc Romano

    Crown Publishing Group 2005; US$ 19.00

    Sixty-four million people do it at least once a week. Nabokov wrote about it. Bill Clinton even did it in the White House. The crossword puzzle has arguably been our national obsession since its birth almost a century ago. Now, in Crossworld , writer, translator, and lifelong puzzler Marc Romano goes where no Number 2 pencil has gone before, as he... more...

  • Eine mathematische Theorie der Sudokusby Wolfram Jehne; Herbert Wingen

    De Gruyter 2013; US$ 98.00

    Sudoku puzzles are known and loved throughout the world. Once they have been solved, completed Sudokus hardly merit any further attention from the puzzle-solver. Yet Sudokus are of great interest to mathematicians as combinatory objects. This book reveals the enormous variety and complexity of Sudokus, along with their beauty and their deeper mathematical... more...

  • The Everything Kids' Giant Book of Jokes, Riddles, and Brain Teasersby Michael Dahl; Kathi Wagner

    F+W Media 2010; US$ 10.95

    Why did the chicken cross the road? Knock, knock. Who's there? What do you get when you . . . ? As kids guess the answers, they're sure to get the giggles! With this book, little ones will look forward to sharing the jokes with parents, teachers, and siblings--and even coming up with some variations of their own! In addition to hundreds of rib-tickling... more...

  • The Everything Kids' More Hidden Pictures Bookby Blair Beth L

    F+W Media 2010; US$ 8.95

    Where's the fun? It's in this book! Kids will love searching through 100 puzzles as they seek out pictures in hidden places such as: A dragon's lair A teacher's messy classroom A Mayan kingdom A Fourth of July parade A pumpkin patch And many, many more! Picking out pictures from a busy background helps kids identify shapes and objects while providing... more...

  • Five-Minute Brain Workoutby Kim Chamberlain

    Skyhorse Publishing 2013; US$ 14.95

    Taking care of your brain is just as beneficial as taking care of the rest of your body. Research has shown that training games help improve memory, concentration, problem-solving skills, processing speed, creativity, and reasoning. The key to such exercise is to constantly learn and regularly challenge your brain?s capabilities with new tasks.... more...