IQ Workouts is exactly what it says on the cover - a series of puzzles and quizzes to test every part of your brain. It covers numerical, visual, verbal, logical, and creative thinking - and also offers chapters on doing a mind map and testing your memory. It's laid out in bullet points so you can find the information and games you need at a glance. It has lots of extra advice on how to get ahead at work and really boost your brain power. Problem solved.