The GCHQ Puzzle BookGCHQ 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

Korea and Japan - steamed across the Caspian Sea to explore Central Asia

In January 2020

while double agents plotted espionage and assassination from both sides

spaced exactly two years apart

Glide through dawn meadows and glimpse an elusive otter

who is slipping from one world into the next

a murderer will be revealed

From mouth-watering classics like cheesy cottage pie

Could you surf down an erupting volcano

triumphs and follies of these very British creations

Everyone thinks Luke Hadler

and is beautifully illustrated by Narnia artist Pauline Baynes