Nothing to do with opinion, it's in the numbers! Though skimming down your Author List at
http://www.booknook.biz/author-list/letter/ many of them DO show two or more publications. And your revised average of 1.5 books per client is up from the original 1.25 :-) Don't do yourself down!
Nice counter-attack - though I really wasn't attacking. I haven't had an enquiry for a porn book yet, but send 'em over!