Children won’t be able to resist this brain-busting challenge. For every topic, pages are packed with eye-popping pictures – but do you know what they show? To help you, ‘Test Yourself’ panels list what you’re looking for. With three levels of difficulty, the challenge gets harder as you work your way from Starter, to Challenger, and finally the truly tricky Genius category. If you need it, there’s a fun fact with every picture to give a helpful clue.