I had a query that I was hoping someone may be able to help me with... I understand that every book has a printers key on the copyright page and that the lowest number shows what printing of the book it is, however, I have a Harry Potter and the Chamber of Secrets book with a number line that just reads, "40" So I don't know if that means 40th printing or first edition as some publishers consider 0 and/or 1 to be a first printing. In my PoA book, it says "10", oh the confusion. Another thing that has been really confusing me (not that it's hard :lolis in OoTP, HPB and DH it just reads "First Edition" and there's no printers key/number line at all! Thanks in advance for any help given!