Your secret mission, should you choose to accept it:

Rescue the kidnapped scientists who were on the brink of an invention that would change the world!

Put your spy skills to the test with four areas of puzzling challenges from hidden words and code-breaking to logic and observation puzzles, before you take on your top secret mission.

Hurry, this message will self-destruct in 3, 2, 1…

Collins makes books full of ideas, creativity, hands-on activities and opportunities to find out more about the things that interest children. We want our books to inspire and entertain them, celebrate their passions and interests and support their emotional wellbeing. We also want to help children be aware of our impact on the planet, which is why all of our books are carefully made with responsibly sourced materials.