Unreal Engine 3 is a complete game development framework for next-generation consoles and DirectX9-equipped PCs, providing the vast array of core technologies, content creation tools, and support infrastructure required by top game developers.
This is a PDF. This tutorial introduces the UE3 interface, setting up a level, and working with simple BSP volumes in subtractive space. This tutorial was developed for use in a classroom environment, and is fully illustrated. I hope this is of use.