gchq (195 resultados)

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Condición: good. Book shows general signs of use and handling. May have light wear on the cover or edges and minimal writing or highlighting. Binding remains tight, and pages are clean and readable.

Condición: Acceptable. Item in good condition. Textbooks may not include supplemental items i.e. CDs, access codes etc.

Paperback. Condición: Good. No Jacket. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.

Condición: Good. UK ed. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good.

Paperback. Condición: Very Good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority!

Paperback. Condición: Very Good. No Jacket. May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less.

Paperback. Condición: Very Good. No Jacket. May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less.

Paperback. Condición: Very Good. No Jacket. May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less.

Condición: Good. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good.

paperback. Condición: Good. Connecting readers with great books since 1972! Used textbooks may not include companion materials such as access codes, etc. May have some wear or writing/highlighting. We ship orders daily and Customer Service is our top priority!

Condición: Good. Item in good condition. Textbooks may not include supplemental items i.e. CDs, access codes etc.

Condición: Good. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good.

paperback. Condición: Very Good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority!

Paperback. Condición: Very Good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority!

paperback. Condición: Very Good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority!

Paperback. Condición: Good. The book has been read but remains in clean condition. All pages are intact and the cover is intact. Some minor wear to the spine.

Paperback. Condición: Fair. Would GCHQ recruit you? Pit your wits against the people who cracked Enigma in the official puzzle book from Britain's top secret intelligence and security organisationOver the years, their codebreakers have helped keep our country safe, from the Bletchley Park breakthroughs of WWII to the modern-day threat of cyber attack. So it comes as no surprise that, even in their time off, the staff at GCHQ love a good puzzle.Whether they're recruiting new staff or challenging each other to the toughest Christmas quizzes and treasure hunts imaginable, puzzles are at the heart of what GCHQ does. Now they're opening up their archives of decades' worth of codes, puzzles and challenges for everyone to try.In this book you will find:- Tips on how to get into the mindset of a codebreaker- Puzzles ranging in difficulty from easy to brain-bending- A competition section where we search for Britain's smartest puzzlerWith hundreds of stimulating puzzles, The GCHQ Puzzle Book is the perfect companion and will keep you occupied as you attempt to beat the smartest brains in Britain.GOOD LUCK!'Fiendish . . . as frustrating, divisive and annoying as it is deeply fulfilling' Guardian'Ideal for the crossword enthusiast' Daily TelegraphLooking for more ways to test yourself? The GCHQ Puzzle Book 2, a new collection of head-scratching, mind-boggling and brain-bending puzzles is out now! A readable copy of the book which may include some defects such as highlighting and notes. Cover and pages may be creased and show discolouration.

Paperback. Condición: Fair. A readable copy of the book which may include some defects such as highlighting and notes. Cover and pages may be creased and show discolouration.

Condición: Good. Most items will be dispatched the same or the next working day. A copy that has been read but remains in clean condition. All of the pages are intact and the cover is intact and the spine may show signs of wear. The book may have minor markings which are not specifically mentioned.

Condición: Very Good. Most items will be dispatched the same or the next working day. A copy that has been read, but is in excellent condition. Pages are intact and not marred by notes or highlighting. The spine remains undamaged.

Paperback. Condición: Good. The book has been read but remains in clean condition. All pages are intact and the cover is intact. Some minor wear to the spine.

Paperback. Condición: Very Good. *Featuring an introduction from Their Royal Highnesses, the Prince and Princess of Wales!*Can you think like a spy? Then we have a top secret challenge for YOU . . .For over one hundred years, GCHQ (or the Government Communications Headquarters) have worked in secret to gather information and solve the toughest of problems to help keep the people of the UK safe and secure.We are analysts, linguists, engineers, mathematicians, programmers, codebreakers, and lots more - all working together in brilliant teams to solve seemingly impossible problems.At GCHQ, we solve puzzles every day . . . and we're giving you a rare glimpse into our world, by setting you a top secret mission: solve problems and break codes that could befuddle the cleverest codebreaker.From codes and brainteasers to word riddles to language puzzles, there is something for everyone. So grab your friends and family and see how bringing together a mix of minds can solve anything. The book has been read, but is in excellent condition. Pages are intact and not marred by notes or highlighting. The spine remains undamaged.

Paperback. Condición: Very Good. Give the joy of a challenge this Christmas with fiendishly difficult puzzles'Fiendishly tricky' Daily MailWith 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. The book has been read, but is in excellent condition. Pages are intact and not marred by notes or highlighting. The spine remains undamaged.

Paperback. Condición: Good. Would GCHQ recruit you? Pit your wits against the people who cracked Enigma in the official puzzle book from Britain's top secret intelligence and security organisationOver the years, their codebreakers have helped keep our country safe, from the Bletchley Park breakthroughs of WWII to the modern-day threat of cyber attack. So it comes as no surprise that, even in their time off, the staff at GCHQ love a good puzzle.Whether they're recruiting new staff or challenging each other to the toughest Christmas quizzes and treasure hunts imaginable, puzzles are at the heart of what GCHQ does. Now they're opening up their archives of decades' worth of codes, puzzles and challenges for everyone to try.In this book you will find:- Tips on how to get into the mindset of a codebreaker- Puzzles ranging in difficulty from easy to brain-bending- A competition section where we search for Britain's smartest puzzlerWith hundreds of stimulating puzzles, The GCHQ Puzzle Book is the perfect companion and will keep you occupied as you attempt to beat the smartest brains in Britain.GOOD LUCK!'Fiendish . . . as frustrating, divisive and annoying as it is deeply fulfilling' Guardian'Ideal for the crossword enthusiast' Daily TelegraphLooking for more ways to test yourself? The GCHQ Puzzle Book 2, a new collection of head-scratching, mind-boggling and brain-bending puzzles is out now! The book has been read but remains in clean condition. All pages are intact and the cover is intact. Some minor wear to the spine.

Paperback. Condición: Very Good. Would GCHQ recruit you? Pit your wits against the people who cracked Enigma in the official puzzle book from Britain's top secret intelligence and security organisationOver the years, their codebreakers have helped keep our country safe, from the Bletchley Park breakthroughs of WWII to the modern-day threat of cyber attack. So it comes as no surprise that, even in their time off, the staff at GCHQ love a good puzzle.Whether they're recruiting new staff or challenging each other to the toughest Christmas quizzes and treasure hunts imaginable, puzzles are at the heart of what GCHQ does. Now they're opening up their archives of decades' worth of codes, puzzles and challenges for everyone to try.In this book you will find:- Tips on how to get into the mindset of a codebreaker- Puzzles ranging in difficulty from easy to brain-bending- A competition section where we search for Britain's smartest puzzlerWith hundreds of stimulating puzzles, The GCHQ Puzzle Book is the perfect companion and will keep you occupied as you attempt to beat the smartest brains in Britain.GOOD LUCK!'Fiendish . . . as frustrating, divisive and annoying as it is deeply fulfilling' Guardian'Ideal for the crossword enthusiast' Daily TelegraphLooking for more ways to test yourself? The GCHQ Puzzle Book 2, a new collection of head-scratching, mind-boggling and brain-bending puzzles is out now! The book has been read, but is in excellent condition. Pages are intact and not marred by notes or highlighting. The spine remains undamaged.