Wow! I was testing in the mid-160 range in my practice tests before buying this book. Within two days of working on the book a few hours a day I see an incredible amount of improvement in the speed and ease at which I complete the logic games. I have full confidence that by the end of this book I will be acing the Logic Games section fairly easily. You can spend thousands on an in-person course, but if you are able to make yourself set time aside to study this book you will be more than pleased with how simple they lay out their methods. I will definitely be ordering the other 3 books, and for this price is an incredible deal considering a higher LSAT score can save you tens of thousands in tuition.