If you're interested in buying the Tomato Gas Book, there are some cheap used ones here (including a UK seller):
http://www.amazon.com/gp/offer-listi...condition=used
If you want to buy it new, these guys still have some:
http://www.zakkacorp.com/display.php...gazine=gasbook
If you also want the Tomato Gas DVD (Onyx Pearls), they also have that:
http://www.zakkacorp.com/display.php...agazine=gasdvd