It's in the bottom banner of any Adywan post (like the first one on this thread) but his email tends to get choc-o-block as does his private messages he pops on here regularly so if you make a post in here that tickles his fancy he will respond to it.
It may take a while as he is very busy all the time ( and not just with Star Wars he has a real life too) but be warned he doesn't share your view about the prequels.