Just before this thread sinks into obscurity, I have posted up some pics of the book and supporting materials on my web site at:
http://www.andrewjohnstonedesign.co.uk
Click on the link in the bottom left corner and don't forget to see the two following pages featuring the pocket guide series and the large format photography book (links at bottom of guide book page).
Finally, if anyone has any advice, contacts in the publishing business, then I would love to hear from you!
A.