GCHQ

GCHQ, or Government Communications Headquarters , is the UK's intelligence and security organization.

As the author of The GCHQ Puzzle Book, they have drawn on their expertise in codebreaking and problem-solving to create a collection of challenging puzzles.

GCHQ has a long history dating back to World War I, with its most famous accomplishment being the breaking of the Enigma code during World War II at Bletchley Park.

Today, GCHQ continues to play a crucial role in national security, focusing on cybersecurity and intelligence gathering.

The puzzle book reflects the organization's emphasis on analytical thinking and creative problem-solving skills.