Keep up the good work, Lan.
You are posting in the appropriate place, saying information you have personally collected and allowing us a mix of places from which to choose.
We relied heavily on your books, for our travels and enjoyed a personal view. Not everyone thinks the same, thank goodness.
Who cares how he promotes his book, it's not without dignity. Is it just his turn to be bashed? NO, I think we just needed something to change the subject, good idea. He can take it.
Happy days.....