I was a little mystified by your reply to my post, frankly. I post "A is less than B". You reply: Yes, "A is less than B" and post a link to prove a point not in contention.
You ignored the entire point of my post, which is that we should be comparing the total $ value of A and the page count of A to similar values for B. (Where "A"= 3.xx and B = 2E)
To respond "numbers really are numbers" when the point of my post was not to compare "# of books" but instead to look at the cumulative $$ value of the retail products ($30-$40 hardcovers vs. $7-15 softcovers) and to count the cumulative pages.
That's when numbers AREN'T numbers.