Leadfingers - So far as I can see you should be able to order through Amazon.co.uk, though the process may be bit more complicated (having had a peek into the labyrinthine workings of Amazon it seems complication comes as standard!) I don't know if this link would be helpful. There, I've got the hang of the blue clicky thing now!
By clicking on the User Name, you will requery the forum for that user. You will see everything that he or she has posted with that Mudcat name.
By clicking on the Thread Name, you will be sent to the Forum on that thread as if you selected it from the main Mudcat Forum page.
By clicking on the Subject, you will also go to the thread as if you selected it from the original Forum page, but also go directly to that particular message.
By clicking on the Date (Posted), you will dig out every message posted that day.
sj