Containing a year’s supply of Sudokus and some fantastic new Japanese puzzles, Penguin Sudoku 2006presents 365 brainteasers, ranging from easy to mind-bogglingly difficult. It provides a daily fix for the hardened Sudoku fan and sets an addictive challenge for novices.

Want to keep your brain active and in trim? Challenge your mind with The Penguin Book of Puzzles . . . From the riddles of the ancients to puzzles that perplex the greatest minds of today, The Penguin Book of Puzzles is a glorious compendium of conundrums from throughout history. These challenges will require all the reader's wits to solve, but range from the easy to the brain-bending and are suitable for novice and veteran puzzlers alike. There is something here to suit every taste, including crosswords, mathematical challenges, word games and logic conundrums, but also some intriguing types of puzzles that have been unearthed from centuries gone by. Hours of fun await you in this timeless and entertaining miscellany of puzzlement. ____________ A Sumerian Riddle (circa 18th Century) There is a house. The blind enter it and then come out seeing. What is that house? ____________ A Charade I have wings, yet never fly - I have sails, yet never go - I cant keep still, if I try, Yet forever stand just so. ____________

Figure out whodunnit in this clever installment in the exciting Sudoku mystery series featuring puzzle master Liza Kelly... Original Sudoku puzzles included After spending her vacation hiding from the media, Liza returns to find that the town has put her in the running for mayor. She has a feeling that the neighboring county and its dirty political machine are involved. When she turns to an old classmate to find out, she discovers that he's been murdered. A closeted Sudoku fan, he's left behind puzzles that may have hidden clues to what finished him off and who is trying to run Liza into the ground.

SUDOKU (SOO-DOH-KOO)-a 9x9 logic puzzle to superheat the very core of your brain and to challenge your numeracy, spacial awareness and problem-solving abilities. WARNING-the five levels of The Penguin Sudoku Challenge- Volume 2may leave you smugly grinning, scratching your head, sighing deeply, snapping your pencil - and maybe even throwing your book at the wall. But you also have permission to frame your most difficult completed 9x9s. GOOD LUCK!

The perfect gift for a sudoku addict! This book of puzzles contains over 380 games, star-rated from gentle to red-hot to brain-melting, all providing a healthy fix for the hardened addict and novice alike. There are many kinds of sudoku here—the classic variety as well as some newer shapes and sizes. Sudoku Under the Sun also includes step-by-step instructions and solutions that offer practical help. Whether you’re jetting off abroad, lounging on the beach, or just relaxing in the back yard, dip into your daily sudoku dose from the Penguin Samurai. Don’t leave home without it!

Train your brain with these fiendishly difficult puzzles, the perfect companion for anyone wanting to keep their mind busy 'Fiendishly tricky' Daily Mail With their first bestselling book, The GCHQ Puzzle Book, the UK's intelligence and security experts tested us with puzzles, codes and real-life entrance tests from their archives. Now, they are back with a NEW collection of head-scratching, mind-boggling and brain-bending puzzles that will leave you pondering for hours. For those who often found themselves stumped with the first book, The GCHQ Puzzle Book 2 offers even more starter puzzles to get those brains warmed up. Puzzle aficionados needn't worry though, as there is also an 'Even Harder' section to test everyone to their limits . . . Not only that, but in celebration of GCHQ's centenary, the puzzles in this new book sit alongside stories, facts and photos from the organisation's first 100 years at the heart of the nation's security. From the Government Code & Cipher School, to Bletchley Park, through to protecting against cyberattacks, the security of our country is in the hands of GCHQ. With this book, you get exclusive snapshots into the organisation that keeps us all safe. Train your brain to compete with the smartest in the country with this stimulating book of puzzles. If you haven't yet tested yourself with the first instalment of The GCHQ Puzzle Book, check it out now! 'This is the perfect gift to fuel his ludicrous presumption that he could have definitely been a spy - even better if he's already dog-eared the first version' Huffington Post

Get your brain working with 200 grid-based logic puzzles from the Puzzle Baron! Filled with complex and fun brain teasers that range in difficulty, this book will put your mind into overdrive with hours of brain-challenging fun. Using the given backstory and list of clues, readers use pure logic to deduce the correct answer for each fiendishly tricky puzzle in Puzzle Baron's Logic Puzzles. Bring out your competitive side and check your stats against the average completion time, the record completion time, and the percentage of people who finish the puzzle. Check your work against the answer key and see how logical you really are! Perfect for adults or children, Puzzle Baron's Logic Puzzles is the ultimate challenge for those who love piecing clues and facts together. The brain is a wonderful thing to tease!