I don't think it's dishonest. It's up to each author how to tabulate their sales. Personally I have 3 totals. Sales. KU reads and the two combined. I divide my pages read by the KENPC to approximate a sales number. In reality, that's a conservative number of "sales" since it presupposes a full read before its counted, when most people probably don't read all the way through. If I added sales + borrows (assuming Amazon ever told us that figure) then my total sales would probably be a lot higher.