Do you live for the thrill of working out a complex puzzle? Or maybe you spend your days scrolling Facebook and are in desperate need of some outside-of-the-box grey matter stimulation. Whoever you are, these little books are full of big engaging questions designed to make you avoid the obvious and get your brain working!
They are small enough to take with you everywhere, and we guarantee you'll be so stumped at least once you'll still be thinking about it as you fall asleep that night.
