Currently available on eBay, two books that aren't always easy to
find:

A signed copy of "Ice and Snow Drawings", published by the
Fruitmarket Gallery in 1992
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?
ViewItem&rd=1&item=4538872452&ssPageName=STRK:MEWA:IT

"Black Stones Red Pools", 1995
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?
ViewItem&rd=1&item=4538696145&ssPageName=STRK:MEWA:IT
(although you can buy it cheaper on www.amazon.co.uk)

Note: I am not selling these, just drawing attention to them!

Brian