Send your request to Model Railroader magazine. They usually forward requests to contact authors directly to the author, and let them reply if they choose to. Iain lives in England I believe.
Bob Boudreau
CANADA
Visit my model railroad photography website: http://sites.google.com/site/railphotog/
Hi Bob;
Just a quick note to compliment you on your work I have seen posted. Nice job!
Rich