The Ultimate Mathematical Challenge: Over 365 puzzles to test your wits and excite your mind by The UK Mathematics T... 2018-10-22

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The Times Codeword 7: 200 cracking logic puzzles by The Times Mind Games, 9780008173845 14 July 2016

• $11.61 USD
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Challenging Logic Puzzles by Barry R. Clarke, 9781402705410 8 April 2004

• $11.56 USD
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The Times MindGames Number and Logic Puzzles Book 1: 500 brain-crunching puzzles, featuring 7 popular mind games by ... 2016-09-19

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Puzzle Baron's Logic Puzzles, Volume 3 by Stephen P Ryder, 9781465454652 2016-11-08

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Cracking Codes and Cryptograms For Dummies by Denise Sutherland, 9780470591000 27 October 2009

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The Monographs: A Comprehensive Manual on All You Need to Know to Become an Expert Deductionist. by Ben Cardall, 978... 15 September 2015

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Puzzle Baron's Logic Puzzles by Puzzle Baron, 9781615640324 2010-08-00

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Games for Bored Adults: Challenges. Competitions. Activities. Drinking., 9781785033063 2016-09-08

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Absolutely Nasty (R) Kakuro Level One by Conceptis Puzzles, 9781402799891 2 May 2013

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Absolutely Nasty (R) Kakuro Level Two by Conceptis Puzzles, 9781402799907 2 May 2013

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Einstein's Riddle: 50 Riddles, Puzzles, and Conundrums to Stretch Your Mind by Jeremy Stangroom, 9781408801499 18 May 2009

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The Times Ultimate Killer Su Doku: 120 challenging puzzles from The Times (The Times Ultimate Killer), 9780007326631 27 July 2009

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MENSA CHALLENGE YOUR BRAIN MATH LOG, 9781402714498 2005-10-01

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My Best Mathematical and Logic Puzzles by Martin Gardner, 9780486281520 1994-11-01

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The Times Ultimate Killer Su Doku Book 2: 120 challenging puzzles from The Times (The Times Ultimate Killer) by Puzz... 30 September 2010

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The Times Samurai Su Doku 3: 100 challenging puzzles from The Times by The Times, 9780007580774 11 September 2014

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399 Games, Puzzles & Trivia Challenges Specially Designed to Keep Your Brain Young by Nancy Linde, 978076116825... 2012-10-18

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Mathematical Lateral Thinking Puzzles by Paul Sloane, 9781454911678 2015-01-13

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The Original Area Mazes by Naoki Inaba, 9781615194216 

Green Belt Kakuro: 150 Puzzles by Conceptis Puzzles, 9781402739347 7 September 2006

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The Times Samurai Su Doku 4: 100 challenging puzzles from The Times by The Times Mind Games, 9780008136406 10 September 2015

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Knights of the Round Table Puzzle Quest: Riddles & conundrums inspired by the legend of King Arthur by Richard W... 9 April 2015

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The Leonardo Da Vinci Puzzle Codex: Riddles, Puzzles and Conundrums Inspired by the Renaissance Genius by Richard Wo... 14 August 2014

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Brown Belt KenKen (R) by Tetsuya Miyamoto, 9781454904199 21 March 2013

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The Colossal Book of Mathematics: Classic Puzzles, Paradoxes, and Problems by Martin Gardner, 9780393020236 20 January 2004

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The Ultimate Book of Optical Illusions by Al Seckel, 9781402734045 2006-09-28

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