Both books are hard to come by but occasionly part 2 will be offered on ebay. Part 1 is a lot harder to come across and is a must as they both work together. Good luck in your search Michael.
Been a quiet season for myself Andy but I had a few races with them and quite happy with my returns. Their all heavy in the moult now so I'll happily let the rest now and look forward to getting them going again next year.