Another point to notice: we have new printing techniques! Smaller runs can be more cost effective with new digital printing that has less one-off cost. The au

Another point to notice: we have new printing techniques! Smaller runs can be more cost effective with new digital printing that has less one-off cost. The author neglects one factor which is especially salient given the above - if a publisher finds a book is selling they will go for a second print run to milk it!