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![The GCHQ Puzzle Book by GCHQ 9780718185541 [USED COPY]](https://cdn11.bigcommerce.com/s-zkx5lhzlf8/images/stencil/444x444/products/9648307/10665027/9780718185541__45211.1781271841.jpg?c=1 "The GCHQ Puzzle Book by GCHQ 9780718185541 [USED COPY]")
The GCHQ Puzzle Book by GCHQ 9780718185541 [USED COPY]
RRP: $22.77Booksplease Price: $3.14Would 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... -
GCHQ by Richard Aldrich 9780007312665
RRP: $20.09Booksplease Price: $14.95As we become ever-more aware of how our governments "eavesdrop" on our conversations, here is a gripping exploration of this unknown realm of the British secret service: Government... -
Backing Bletchley: The Codebreaking Outstations, From Eastcote to GCHQ Ronald Koorm 9781398133570
RRP: $16.07Booksplease Price: $14.46New paperback edition - The role of Outstations and the considerable infrastructure supporting Bletchley Park in codebreaking during WW2 and post-war, to GCHQ. -
Get Smart: Maths: The Big Ideas You Should Know Julia Collins 9781786483355
RRP: $17.41Booksplease Price: $12.81Can you explain Fermat's Last Theorem? What is the shape of the Universe? And how do you add up to infinity? Challenge yourself with Get Smart: Maths and learn to think and talk like the world's... -
How to Become a GCHQ Intelligence Analyst: The Ultimate Guide to a Career in the UK's Security and Intelligence Service How2Become 9781910602799
RRP: $17.42Booksplease Price: $13.12Apologies but we at Booksplease don't have a full description for this book.Book InformationISBN 9781910602799Author How2BecomeFormat PaperbackPage Count 200Imprint -
A Brief History of Puzzles: 120 of the World's Most Baffling Brainteasers from the Sphinx to Sudoku by William Hartston
RRP: $14.73Booksplease Price: $13.47From ancient riddles to modern Sudoku, people have been fascinated by puzzles. Whether they are seen as a glorious waste of time, a harmless way to spend a train journey or a valuable way of... -
![Behind the Enigma: The Authorised History of GCHQ, Britain's Secret Cyber-Intelligence Agency by John Ferris 9781526605481 [USED COPY]](https://cdn11.bigcommerce.com/s-zkx5lhzlf8/images/stencil/444x444/products/10131417/11147736/9781526605481__23884.1789541748.jpg?c=1 "Behind the Enigma: The Authorised History of GCHQ, Britain's Secret Cyber-Intelligence Agency by John Ferris 9781526605481 [USED COPY]")
Behind the Enigma: The Authorised History of GCHQ, Britain's Secret Cyber-Intelligence Agency by John Ferris 9781526605481 [USED COPY]
RRP: $22.77Booksplease Price: $4.44You know about MI5. You know about MI6.Now discover the untold stories behind Britain's most secretive intelligence agency, in the first ever authorised history of GCHQ.For a hundred years, GCHQ -... -
![University Challenge: The Ultimate Quiz Book by Steve Tribe 9781849497015 [USED COPY]](https://cdn11.bigcommerce.com/s-zkx5lhzlf8/images/stencil/444x444/products/9735308/10751941/9781849497015__12330.1781407470.jpg?c=1 "University Challenge: The Ultimate Quiz Book by Steve Tribe 9781849497015 [USED COPY]")
University Challenge: The Ultimate Quiz Book by Steve Tribe 9781849497015 [USED COPY]
RRP: $17.41Booksplease Price: $3.62'Fingers on buzzers, your first starter for ten...' Every week the nation tunes in to hear these legendary words.Over the course of its incredible 53 years, University Challenge has achieved cult... -
The Sunday Times Cryptic Crossword Book 4: 100 challenging crossword puzzles (The Sunday Times Puzzle Books) The Times Mind Games 9780008673116
RRP: $10.71Booksplease Price: $8.50A compilation of 100 cryptic crosswords from The Sunday Times, one of the greatest crossword puzzle challenges. These brainteasers will test all cryptic crossword lovers to the limit! Our... -
The Sunday Times Cryptic Crossword Book 5: 100 challenging crossword puzzles (The Sunday Times Puzzle Books) The Times Mind Games 9780008748241
RRP: $10.71Booksplease Price: $9.37Challenge your brain power with these fun crossword puzzles A compilation of 100 cryptic crosswords from The Sunday Times, one of the greatest crossword puzzle challenges. These... -
The Times Jumbo Cryptic Crossword Book 14: 50 world-famous crossword puzzles by The Times
RRP: $14.73Booksplease Price: $11.10Challenge yourself at home with word and number puzzles This supremely challenging cryptic collection contains 50 jumbo-sized puzzles, conceived to really challenge your word skills. ... -
The Times Jumbo Cryptic Crossword Book 15: 50 world-famous crossword puzzles by The Times Mind Games
RRP: $14.73Booksplease Price: $11.10Challenge yourself at home with word and number puzzles This supremely challenging cryptic collection contains 50 jumbo-sized puzzles, conceived to really challenge your word skills. ... -
The Times Big Book of Cryptic Crosswords Book 1: 200 world-famous crossword puzzles by The Times Mind Games
RRP: $12.05Booksplease Price: $9.37Challenge 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... -
The Times Bumper Book of Cryptic Crosswords Book 1: 200 world-famous crossword puzzles (The Times Crosswords) by The Times Mind Games 9780008618162
RRP: $12.05Booksplease Price: $9.37Challenge yourself with word puzzles Challenge yourself with this set of 200 cryptic puzzles from the most famous crossword in the world compiled by the Times Crossword Editors. ... -
Churchill's Wizards: The British Genius for Deception 1914-1945 by Nicholas Rankin
RRP: $20.09Booksplease Price: $16.28The real story of how Winston Churchill and the British mastered deception to defeat the Nazis - by conning the Kaiser, hoaxing Hitler and using brains to outwit brawn. By June 1940, most of Europe... -
![Churchill's Wizards: The British Genius for Deception 1914-1945 by Nicholas Rankin 9780571221967 [USED COPY]](https://cdn11.bigcommerce.com/s-zkx5lhzlf8/images/stencil/444x444/products/9681994/10698714/9780571221967__41604.1781303453.jpg?c=1 "Churchill's Wizards: The British Genius for Deception 1914-1945 by Nicholas Rankin 9780571221967 [USED COPY]")
Churchill's Wizards: The British Genius for Deception 1914-1945 by Nicholas Rankin 9780571221967 [USED COPY]
RRP: $20.09Booksplease Price: $3.22The real story of how Winston Churchill and the British mastered deception to defeat the Nazis - by conning the Kaiser, hoaxing Hitler and using brains to outwit brawn. By June 1940, most of Europe... -
The Sunday Times Cryptic Crossword Book 1 (The Sunday Times Puzzle Books) by The Times Mind Games
RRP: $10.71Booksplease Price: $9.37A compilation of 100 cryptic crosswords from The Sunday Times, one of the greatest crossword puzzle challenges. These brainteasers will test all cryptic crossword lovers to the limit! Our... -
The Times Jumbo Cryptic Crossword book 25: The world’s most challenging cryptic crossword (The Times Crosswords) The Times Mind Games 9780008810900
RRP: $14.73Booksplease Price: $11.95Challenge your brain power with these fun crossword puzzles This supremely challenging cryptic collection contains 50 jumbo-sized, large grid puzzles, conceived to really challenge your... -
Beattie Cavendish and the White Pearl Club: The compelling mystery series set at the dawn of the Cold War Mary-Jane Riley 9780749032296
RRP: $13.39Booksplease Price: $10.681948. The shadow of war still lingers over Britain and Beattie Cavendish, former Secret Operations Executive agent, refuses to settle into civilian life. When offered an undercover role at the newly... -
@War Shane Harris 9780755365180
RRP: $14.73Booksplease Price: $12.41The spies had come without warning. They plied their craft silently, stealing secrets from the world's most powerful military. They were at work months before anyone noticed their presence. And when... -
Puzzles: More Puzzles by Puzzles
RRP: $14.73Booksplease Price: $10.65*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... -
![One False Move by Robert Goddard 9780593076385 [USED COPY]](https://cdn11.bigcommerce.com/s-zkx5lhzlf8/images/stencil/444x444/products/9808404/10824975/9780593076385__73176.1782470983.jpg?c=1 "One False Move by Robert Goddard 9780593076385 [USED COPY]")
One False Move by Robert Goddard 9780593076385 [USED COPY]
RRP: $26.80Booksplease Price: $3.52What value can be put on a human mind?How Joe Roberts does what he does is a mystery. He has a brain that seems able to outperform a computer. To a games company like Venstrom that promises big... -
![Puzzles: More Puzzles by Puzzles 9780241579909 [USED COPY]](https://cdn11.bigcommerce.com/s-zkx5lhzlf8/images/stencil/444x444/products/9654499/10671219/9780241579909__02343.1781277761.jpg?c=1 "Puzzles: More Puzzles by Puzzles 9780241579909 [USED COPY]")
Puzzles: More Puzzles by Puzzles 9780241579909 [USED COPY]
RRP: $14.73Booksplease Price: $3.75*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... -
Mensa's Most Difficult Number Puzzles: Prove your logical and numerical abilities against 200 fiendish problems Dr. Gareth Moore 9781802791884
RRP: $22.77Booksplease Price: $16.59Prove your logical and arithmetical prowess by solving the exceptionally tricky problems in Mensa's Most Difficult Number Puzzles. This full-colour book features a huge variety of numerical... -
![Mensa's Most Difficult IQ Puzzles: Take on the ultimate challenge by solving these demanding conundrums by Dr. Gareth Moore 9781802791877 [USED COPY]](https://cdn11.bigcommerce.com/s-zkx5lhzlf8/images/stencil/444x444/products/10130836/11147155/9781802791877__70497.1789541276.jpg?c=1 "Mensa's Most Difficult IQ Puzzles: Take on the ultimate challenge by solving these demanding conundrums by Dr. Gareth Moore 9781802791877 [USED COPY]")
Mensa's Most Difficult IQ Puzzles: Take on the ultimate challenge by solving these demanding conundrums by Dr. Gareth Moore 9781802791877 [USED COPY]
RRP: $22.77Booksplease Price: $1.82Test yourself against a fiendishly tricky series of IQ test-style puzzles, the perfect training for those who want to prepare for a Mensa IQ test. This full-colour puzzle book features a wide variety... -
Bletchley Park Brainteasers: The biggest selling quiz book of 2017 by Sinclair McKay
RRP: $22.77Booksplease Price: $16.59Bletchley Park Brainteasers was the runaway Christmas bestseller in 2017 and delighted hundreds of thousands of devoted puzzlers with its fiendish puzzles, riddles and enigmas. It's never to late to... -
Mensa's Most Difficult IQ Puzzles: Take on the ultimate challenge by solving these demanding conundrums Dr. Gareth Moore 9781802791877
RRP: $22.77Booksplease Price: $16.59Test yourself against a fiendishly tricky series of IQ test-style puzzles, the perfect training for those who want to prepare for a Mensa IQ test. This full-colour puzzle book features a wide variety... -
![Bletchley Park Brainteasers: The biggest selling quiz book of 2017 by Sinclair McKay 9781472252609 [USED COPY]](https://cdn11.bigcommerce.com/s-zkx5lhzlf8/images/stencil/444x444/products/9724106/10740766/9781472252609__95214.1781390828.jpg?c=1 "Bletchley Park Brainteasers: The biggest selling quiz book of 2017 by Sinclair McKay 9781472252609 [USED COPY]")
Bletchley Park Brainteasers: The biggest selling quiz book of 2017 by Sinclair McKay 9781472252609 [USED COPY]
RRP: $22.77Booksplease Price: $2.64Bestselling Bletchley Park Brainteasers continues to delight hundreds of thousands of devoted puzzlers with its fiendish puzzles, riddles and enigmas. It's never to late to join the code breakers of... -
Rude Puzzle Book: Naughty Brain-Teasers for Grown-Ups by Richard Cox
RRP: $10.71Booksplease Price: $8.25Strictly for grown-ups! This saucy selection of puzzles puts the tease in brain-teasers, and makes a racy replacement for life's idle moments Put down your phone, tablet or smutty magazine and... -
![Secret Service Brainteasers: Do you have what it takes to be a spy? by Sinclair McKay 9781472258311 [USED COPY]](https://cdn11.bigcommerce.com/s-zkx5lhzlf8/images/stencil/444x444/products/9724119/10740779/9781472258311__65698.1781390850.jpg?c=1 "Secret Service Brainteasers: Do you have what it takes to be a spy? by Sinclair McKay 9781472258311 [USED COPY]")
Secret Service Brainteasers: Do you have what it takes to be a spy? by Sinclair McKay 9781472258311 [USED COPY]
RRP: $20.09Booksplease Price: $2.65You've already broken codes in Sinclair McKay's bestselling Bletchley Park Brainteasers, now it's time to pit your wits against the secret heroes of MI5 and MI6 and find out if YOU have what it takes... -
Secret Service Brainteasers: Do you have what it takes to be a spy? Sinclair McKay 9781472258311
RRP: $20.09Booksplease Price: $14.07Sinclair McKay's Bletchley Park Brainteasers was the runaway quiz book bestseller of 2017, now it's time to pit your wits against the secret heroes of MI5 and MI6 and find out if YOU have what it... -
So You Think You've Got Problems?: Surprising and rewarding puzzles to sharpen your mind by Alex Bellos
RRP: $14.73Booksplease Price: $10.65Thought you had it bad? In this book, you will be:Imprisoned by a sadistic logician.Challenged to raise dogs from the dead. Trapped on a burning island.And much more besides . . .Everything is at... -
![One False Move by Robert Goddard 9780552172615 [USED COPY]](https://cdn11.bigcommerce.com/s-zkx5lhzlf8/images/stencil/444x444/products/9942216/10958726/9780552172615__09946.1786515635.jpg?c=1 "One False Move by Robert Goddard 9780552172615 [USED COPY]")
One False Move by Robert Goddard 9780552172615 [USED COPY]
RRP: $13.39Booksplease Price: $3.11What value can be put on a human mind?How Joe Roberts does what he does is a mystery. He has a brain that seems able to outperform a computer. To a games company like Venstrom that promises big... -
The Cypher Files: An Escape Room… in a Book! by Dimitris Chassapakis
RRP: $20.09Booksplease Price: $15.61THE ULTIMATE GIFT FOR WANNABE SPIES: AN INTERACTIVE PUZZLE BOOK FROM THE CREATOR OF THE BESTSELLING CULT PHENOMENON, JOURNAL 29!In this brain-bending interactive game, you'll solve puzzles on every... -
The Scotland Yard Puzzle Book: Crime Scenes, Conundrums and Whodunnits to test your inner detective by Sinclair McKay
RRP: $21.43Booksplease Price: $8.87Pit your wits against the brilliant minds of Scotland Yard, from the bestselling author of Bletchley Park Brainteasers, Sinclair McKay. If you cracked the GCHQ Puzzle Book and tore through the... -
![The University Challenge Quiz Book by Steve Tribe 9781846078569 [USED COPY]](https://cdn11.bigcommerce.com/s-zkx5lhzlf8/images/stencil/444x444/products/9733855/10750488/9781846078569__27524.1781405538.jpg?c=1 "The University Challenge Quiz Book by Steve Tribe 9781846078569 [USED COPY]")
The University Challenge Quiz Book by Steve Tribe 9781846078569 [USED COPY]
RRP: $26.80Booksplease Price: $3.22For almost 50 years, University Challenge has served as a bastion of general knowledge, regularly testing our finest young minds with a dizzying array of subjects. Now - if you think you're up to the... -
The Black Door: Spies, Secret Intelligence and British Prime Ministers by Richard Aldrich
RRP: $22.77Booksplease Price: $17.14The Black Door explores the evolving relationship between successive British prime ministers and the intelligence agencies, from Asquith's Secret Service Bureau to Cameron's National... -
Perfect Family Quiz David Pickering 9781847945297
RRP: $14.73Booksplease Price: $10.92Perfect Family Quiz is an invaluable source of entertainment for the whole family. Whether you're looking for a fun way to spend a rainy day, an activity for a long car journey, or you simply want to... -
![The Tower of London Puzzle Book by Sinclair McKay 9781472270429 [USED COPY]](https://cdn11.bigcommerce.com/s-zkx5lhzlf8/images/stencil/444x444/products/9672682/10689402/9781472270429__75844.1781295068.jpg?c=1 "The Tower of London Puzzle Book by Sinclair McKay 9781472270429 [USED COPY]")
The Tower of London Puzzle Book by Sinclair McKay 9781472270429 [USED COPY]
RRP: $20.09Booksplease Price: $2.64If you cracked the GHCQ Puzzle Book and tore through the Ordnance Survey Puzzle Book, you must show off your brainteaser abilities with the newest puzzle book from the bestselling author of Bletchley... -
The TfL London Puzzle Book: Puzzle Your Way Across the Capital by Gareth Moore 9781529106343
RRP: $22.77Booksplease Price: $17.07Test your knowledge and get to know the real London.Can you find your way from Bond Street to Kentish Town on a word ladder?Can you crack a 1950s underground code? Puzzle your way across London with...