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| € 9.32 € 7.92 Readers can give their brains a workout with this bevy of brain-bending puzzles. € 5.88 € 5.00 Liars, cheats, thieves, and murderers: it's time to call Dr. Quicksolve, his son Junior, and his former partner, Elliot Savant. No one else...
€ 6.91 € 5.87 Here's one big baseball book for big fans of the game. They'll find plenty to enjoy and challenge them: fun facts, questions and answers,... € 4.19 With Armchair Puzzlers, your customers can give their feet a rest and put their minds to work. Will they know what three letters can be...
€ 8.65 This book contains 1,000 IQ puzzles to boost your brain power. € 5.80 € 4.93 Detective Stanwick is back! And you are about to be challenged by 30 exciting mysteries. Each one takes only about five minutes to read....
€ 19.38 Ray Keene, responsible for organising more world championship matches outside the USSR than any other person in the history of official... € 7.05 These IQ tests are a fun and entertaining way to keep your brain as fit as your body. Are you best at verbal, visual, numerical, or...
€ 14.84 € 12.61 400 never before published questions, complete with a guide to assessing your performance provide you with plenty of opportunity to... € 8.44 € 7.17 To succeed in life, you must "think outside the box." This clich is used to describe creative, non-standard approaches to problem solving....
€ 8.74 Brain-stumping IQ quizzes featuring wordplay, diagrams, numerical challenges, and more are included in this book. € 9.77 Featuring 400 IQ questions arranged in a series of exercises that will show how your IQ measures up. You can use the questions as timed...
€ 5.77 Don't think too hard or you'll never solve these logic puzzles and riddles. The answers to all 187 are easy once you catch the tricky... € 10.79 € 9.17 Join math detective in solving nearly 40 puzzles inspired by methods in computer science and mathematics. The Tower of Lego, Odd Doors...
€ 14.42 Learn how to take the "tease" out of brainteasers, and increase your puzzle IQ with this eye-opening guide to solving puzzles. Revealing the... € 4.27 € 3.63 The noted expert selects 70 of his favorite "short" puzzles. Includes The Returning Explorer, The Mutilated Chessboard, Scrambled Box Tops,...
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