GCHQ  | Puffin Books

10,790원  | 20220922  | 9780241579909

With Nanny Plum and the Wise Old Elf, nature class is tons of fun! The Little Kingdom is bursting with acorns and flowers, woodpeckers and bees. In this sticker book, you can help Ben and Holly solve outdoor puzzles, colour in creatures and play leapfrog with their friends.

GCHQ  | Michael Joseph

33,600원  | 20161020  | 9780718185541

If 3=T, 4=S, 5=P, 6=H, 7=H ... what is 8? What is the next letter in the sequence: M, V, E, M, J, S, U, ? Which of the following words is the odd one out: CHAT, COMMENT, ELF, MANGER, PAIN, POUR? GCHQ is a top-secret intelligence and security agency which recruits some of the very brightest minds. Over the years, their codebreakers have helped keep our country safe, from the Bletchley Park breakthroughs of WWII to the modern-day threat of cyberattack. 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 puzzler Good luck!

 | HarperCollins Publishers

37,560원  | 20190627  | 9780008351809

FULLY UPDATED CENTENARY EDITION 'An important book' Max Hastings, Sunday Times 'An intriguing history of covert surveillance ...

Aldrich, Richard  | HarperCollins

29,650원  | 20140911  | 9780007312665

As 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 Communication Headquarters (GCHQ).

 | Pen & Sword Books

49,450원  | 20191130  | 9781526755780

Signal intelligence is the most secret, and most misunderstood, weapon in the modern espionage arsenal.

 | PEN & SWORD BOOKS

29,650원  | 20221030  | 9781399077453

Codebreaking From Room 40 to Berkeley Street and the Birth of GCHQ. A ground-breaking biography of the man who led Britains code-breaking efforts in both world wars.