my cousin as just wrote a book, I've not read it myself, i'm waiting for the paper back version to come out
http://www.amazon.co.uk/Multiple-Sc...ELNO/ref=sr_1_1?ie=UTF8&qid=1341411676&sr=8-1
http://www.amazon.co.uk/Multiple-Sc...ELNO/ref=sr_1_1?ie=UTF8&qid=1341411676&sr=8-1
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