If you have piles of old books at home, these editions could get you some money ... lot, but it's estimated that a first edition Harry Potter and the Philosopher's Stone hardback book could be ...

This is from a bookstore." By looking at your books' printing codes, you may be able to establish if they are worth a lot of money. The number line on the copyright page helps to identify the book ...

Don’t discount that dusty old Harry Potter book, it could be funding your next ... has shown just how much those first editions are worth, and you could have one sitting underneath your nose.