About the Author Ian Millington consults on game technologies and research and development, includ- ing artificial intelligence, real-time simulation, and physics, through his company, the R`n'D Guy. Previously he founded Mindlatthe Ltd., the largest specialist AI middle- ware company in computer games, working on a huge range of game genres and technologies. He has an extensive background in AI, including doctoral research in complexity theory and natural computing. He has published academic and profes- sional papers and articles on topics ranging from paleontology to hypertext.