BUYING BOOKS; BEFORE SENDING MONEY FOR THE PURCHASE OF ONE OF MY BOOK, IN PARTICULAR ONE THAT HAS BEEN ON OFFER FOR SOME TIME, IT IS IMPERATIVE THAT YOU FIRST CHECK WITH ME BY EMAIL TO SEE IF THE BOOK IS STILL AVAILABLE, AND IF IT IS STILL AVAILABLE, I WILL HOLD SAME FOR A PERIOD OF TWO WEEKS IN ORDER TO GIVE ONE THE TIME TO POST PAYMENT FOR SAME.