Have you got some old editions of Harry Potter lying around your house? It turns out some of these editions could be worth a fortune! The older the copy, the more it could be worth…

Here are the editions to look out for:

• A hardback edition of Harry Potter and the Philosopher’s Stone published by Bloomsbury with Harry standing by a train. Worth up to $76,000!
• A softback published by Bloomsbury of Harry Potter and the Philosopher’s Stone. Worth up to $12,500!
• A hardback published by Bloomsbury of Harry Potter and the Chamber of Secrets. Worth up to $12,500!
• A copy published by Bloomsbury of Harry Potter and the Prisoner of Azkaban. Worth up to $900!

Pretty cool right? The two things to look out for to see if you have a super valuable first edition is the print line on the copyright page, which should read '10 9 8 7 6 5 4 3 2 1', plus on the copyright page, instead of 'J.K. Rowling' it should say 'Joanne Rowling'.

Which Harry Potter book is your fave? Tell us in the comments below!