UDK - Doran, John (Packt Publishing, 2013)
This book is written by someone who is passionate about games for those who are equally passionate about games. The step-by-step instructions contained within this guide will make creating your first game simple. If you have ever had the urge to know more about how all those amazing games you played for countless hours are created, then this book is definitely for you! This step-by-step tutorial will teach you how to create a complete game within UDK. Even if you have no prior experience of UDK, you can still start building the games you want today