Mensa's Most Difficult Geometric Puzzles - Tricky puzzles to challenge every angle (Jones Graham)(Paperback / softback)

Mensa's Most Difficult Geometric Puzzles - Tricky puzzles to challenge every angle (Jones Graham)(Paperback / softback)

This book consists of 200 difficult puzzles of a variety of different types focussing on geometric shapes and

The Hardest Hidden Pictures Book Ever (Highlights)(Paperback)

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

Ultimate Puzzle Challenge! (Highlights)(Paperback)

Ultimate Puzzle Challenge is filled with brain-twisting fun and ultra-challenging puzzles, expertly crafted for the most experienced puzzlers. With more than 125 games and activities inside, this collection features Hidden Pictures puzzles, mazes, Sudoku, word searches, crisscrosses, logic puzzles

Colourmetrics - A Geometric Colour by Numbers Challenge (Jackson Max)(Paperback / softback)

Color-by-Numbers with a geometric twist, these perplexing puzzles produce stunning results. Using the color code, readers must complete the images to reveal the amazing hidden animal within. Inside are over 20 images, containing a variety of levels of difficulty but a consistent level of WOW

Cubed - The Puzzle of Us All (Rubik Erno)(Paperback / softback)

The story of the world's most iconic puzzle and its

At the Movies Word Search Puzzles (Rattiner Ilene J.)(Paperback)

One hundred word search puzzles will challenge even the most dedicated movie buffs as they hunt for the names of actors, directors, characters, key plot points, dialogue, and other terms related to such big-screen blockbusters as 2001: A Space Odyssey, Annie Hall, Casablanca, Citizen Kane, ET the

The Moscow Puzzles: 359 Mathematical Recreations (Kordemsky Boris A.)(Paperback)

This is, quite simply, the best and most popular puzzle book ever published in the Soviet Union. Since its first appearance in 1956 there have been eight editions as well as translations from the original Russian into Ukrainian, Estonian, Lettish, and Lithuanian. Almost a million copies of the

1000 Sudoku Puzzles - The Ultimate Sudoku Challenge (Saunders Eric)(Paperback / softback)

Mathematical Puzzles (Winkler Peter)(Paperback)

Research in mathematics is much more than solving puzzles, but most people will agree that solving puzzles is not just fun: it helps focus the mind and increases one's armory of techniques for doing mathematics. Mathematical Puzzles makes this connection explicit by isolating important mathematical

Daily Mail Kurosu Volume 1 - 300 of the Daily Mail's most addictive brainteaser puzzles (Daily Mail)(Paperback / softback)

Try out the Daily Mail's most addictive brainteaser since

Su Doku Challenge: Book 1 (Collins Uk)(Paperback)

Are you up to the challenge of 200 new Su Doku puzzles, arranged in easy, medium and difficult categories? Keep your mind sharp and test your powers of deductive reasoning. Ideal for whiling away those long commutes, traveling or relaxing at

The Riddler: Fantastic Puzzles from Fivethirtyeight (Roeder Oliver)(Paperback)

The most mind-bending puzzles on the internet appear weekly in Oliver Roeder's 'The Riddler' column. Presented by Nate Silver's FiveThirtyEight, this first-ever collection features the column's most popular problems, along with six never-before-published puzzles, all exploring the math implicit in

John Nunn's Chess Puzzle Book (Nunn John)(Paperback)

Most chess puzzle books put you in an artificial situation: you are told a combination exists, what the theme is and what you are required to achieve. This one is different. In a real game, a player may sometimes need to find a combination. On the other hand he may have to reject a tactical idea

Large Print Wordsearch - Challenge Yourself with These Entertaining Puzzles (Saunders Eric)(Paperback / softback)

Large Print Crosswords - Enjoy the Challenge of These Diverting Puzzles (Arcturus Publishing)(Paperback / softback)

Telegraph General Knowledge Crosswords 5 (Telegraph Media Group Ltd)(Paperback / softback)

A brand new collection of tricky general knowledge puzzles from the

Telegraph: General Knowledge Crosswords 4 (Telegraph Media Group Ltd)(Paperback / softback)

A brand new collection of tricky general knowledge puzzles from the

Penguin Book of Puzzles (Moore Gareth)(Paperback / softback)

For the puzzle fanatic. A collection of challenges from throughout history, featuring some of the greatest ever puzzle masters . . . -------------------------- A Sumerian Riddle (circa 18th Century) There is a house. The blind enter it and then come out seeing. What is that house?

Sherlock: The Puzzle Book (Maslanka Christopher)(Paperback / softback)

Through these 200 puzzles and challenges, you'll be able to elevate your powers of deduction, detection and general brilliance. With explanations of how Sherlock (and hopefully you) arrived at the solutions, this official puzzle book is your chance to learn how to think like

The Magnificent Maps Puzzle Book (Parker Philip)(Paperback)

The British Library has one of the largest and most impressive cartographic collections in the world, including manuscript maps and atlases, administrative records and plans, large-scale surveys, and digital maps. From this rich resource, 100 fascinating examples ranging from world and city maps,

The Aleph and Other Stories (Borges Jorge Luis)(Paperback)

Full of philosophical puzzles and supernatural surprises, these stories contain some of Borges's most fully realized human characters. With uncanny insight he takes us inside the minds of an unrepentant Nazi, an imprisoned Mayan priest, fanatical Christian theologians, a woman plotting vengeance on

-Z Puzzle Book - Have You Got the Knowledge? (A-Z maps)(Paperback / softback)

The ultimate mapping challenge from the world famous map makers. More fiendish mapping puzzles from Gareth Moore, author of best-selling Ordnance Survey Puzzle Book. Do you have the knowledge required to unlock the secrets of Britain's

The Nastiest Sudoku Book Ever (Longo Frank)(Paperback)

Only diehards need apply These incredibly difficult sudoku are made to challenge even the most expert solver...and strain their brains to bursting. Each puzzle requires upper-level strategies that have been honed to perfection from regular practice. Designed by powerhouse sudoku creator Frank

The Fascinating World of Graph Theory (Benjamin Arthur)(Paperback)

The history, formulas, and most famous puzzles of graph theory Graph theory goes back several centuries and revolves around the study of graphs-mathematical structures showing relations between objects. With applications in biology, computer science, transportation science, and other areas, graph