I have used this book with great success: http://www.amazon.com/Semiconductor-Device-Modeling-Giuseppe-Massobrio/dp/0071349553/ref=sr_1_1?ie=UTF8&qid=1300582720&sr=8-1 Note: it is NOT how to use SPICE. It's how to get models *into* SPICE that you only have a data sheet for. Paul S.