There are a range of books relating to the development of learning systems drawing on understandings found in gaming systems…  What Video Games Have to Teach Us About Learning and Literacy by James Gee http://www.amazon.com/exec/obidos/ASIN/1403965382/dramabooks Mark Prensky’s “Digital Game-based Learning” http://www.amazon.com/exec/obidos/ASIN/B0000894JZ/dramabooks Simulations and the Future of Learning (Clark Aldrich) http://www.amazon.com/exec/obidos/ASIN/0787969621/dramabooks