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These delightful and stylish editions celebrate the work of Bletchley Park and make the perfect gift for anyone interested in such an important part of history.

Beginners welcome! These 150 puzzles are perfect for kakuro newbies.

We're giving you the THIRD DEGREE! Our first- and second-degree Martial Arts Kakuro books were so incredibly popular that we know people are eager for more! So here's the next level of challenge for fans of these addictive conundrums that feature little numbers throughout the grid. Solvers have to fill in the blanks with digits that add up to the little numbers. It's fun, and it stretches your mental muscles, too! Want kakuro to solve that are just a little harder than beginning puzzles--but not so difficult as to leave you frustrated? This level's just right for you.

Challenge yourself at home with word and number puzzles From the puzzles section of The Times our Editors have chosen the best selection of general-knowledge and definition crossword puzzles to keep even the most eager enthusiasts entertained for hours.

Challenge yourself at home with word and number puzzles Challenge yourself with this set of cryptic puzzles from the most famous crossword in the world compiled by the Times Crossword Editors.

Features difficult and downright perplexing bunch of conundrums, puzzles, and riddles, all written in the style of Sir Arthur Conan Doyle's stories. This book involves the reader in the solving of puzzles - and crimes. It also includes more than 200 puzzles from seemingly simple riddles to more complicated brain-busting logic puzzles.

Find the detail that's different in each illustration in this book and give yourself hours of challenging entertainment. The puzzles are challenging but solveable and clues help out when needed.

A third book of beautiful and intricate dot-to-dot pictures to complete and colour from Emily Wallis, dot-to-dot artist featured in Mrs Hinch: The Activity Journal

The names of the 300 or so underground stations are part of everyday life for Londoners, but we hardly ever question their history. This entertaining book delves into their origins, ensuring you never view your journey in the same way again.

These mind-benders, brainteasers, and puzzles were carefully selected so that none will be too tough for anyone without a math background - but they're not too easy. Includes solutions.

Over 120 specially commissioned puzzles, themed around the casebook of Sherlock Holmes.

These delightful and stylish editions celebrate the work of Bletchley Park and make the perfect gift for anyone interested in such an important part of history.

Challenge yourself at home with word and number puzzles 80 puzzles from The Times adapting the cryptic puzzle for those with a hectic lifestyle and schedule. Ideal for those starting out with cryptic crosswords, and those who'd like to tackle the main puzzle but feel daunted, or who can perhaps only solve a handful of clues.

Quiz your family at home with crosswords, puzzles and games. The eagerly-awaited seventh book in the bestselling Times Difficult Su Doku series.

Kakuro is a puzzle type in which sums are given and solvers must deduce the numbers in the individual boxes.

Raising the game to twelve blocks of logic-straining fun, this is the latest assortment of Super Sudoku, the Mail on Sunday's most popular puzzle.

Looking for something challenging but not impossible, something to bump up your kakuro technique? This title presents medium-hard "green" puzzles that are just right for honing intermediate skills.

Kakuro is fun - but if the puzzles aren't just right, newcomers can feel frustrated. This title eases novices into solving kakuro puzzles, helping them improve and preparing them for the next level of difficulty.

Kakuro is a puzzle type in which sums are given and solvers must deduce the numbers in the individual boxes. This title is suitable for solvers who have dared to come this far, congratulations.

Test Your Emotional Intelligence will help you to think about various aspects of your personality in order to identify your strengths and weaknesses, giving you a head start in recruitment psychometric tests.

Suitable for puzzlers whose eyesight is imperfect, this title presents super-sized sudoku.

Think You Know it All? is a captivating book written by the talented Daniel Smith. Published in 2010 by Michael O'Mara Books Ltd, this book is a gem in its genre. The book challenges the readers to question their knowledge and encourages them to learn more about the world around them. Daniel Smith, known for his engaging writing style, takes the readers on an intellectual journey, making this book a must-read. Despite being published over a decade ago, Think You Know it All? continues to be relevant and thought-provoking. This book, a masterpiece from Michael O'Mara Books Ltd, is a testament to Daniel Smith's prowess as a writer. It's a book that you would want to revisit time and again.

From Spandau Ballet and Kajagoogoo to Half Man Half Biscuit and Guns and Roses, the 1980s music scene is here in all its glory.

Sudoku comes in variations that range from simple to very difficult, and can take almost no time to finish or require many hours. This book presents a collection of games that showcase a range of possibilities, offering solvers who have become accustomed to the standard rules and grids new challenges.

The vast majority of sudoku puzzles that are labeled "hard," "expert," "challenger," are not really all that difficult. And in a surprising number of cases, they are downright easy. Part of the "Absolutely Nasty Sudoku" series, this book features basic and intermediate puzzles and techniques.

The second Su Doku book - even bigger, even better!

Helps you to learn Japanese through crossword puzzles. This title offers you an effective way of expanding your knowledge of the Japanese language and use of Kana script. It features the puzzles that cover a variety of topics which challenge and help you develop your Japanese-language skills.

In this entertaining and challenging collection of logic puzzles, Raymond Smullyan-author of Forever Undecided-continues to delight and astonish us with his gift for making available, in the thoroughly pleasurable form of puzzles, some of the most important mathematical thinking of our time.