Can I help you , sir ?   I want to find a book called Gone with the Wind.But I can't find it .   Let me give you a hand.The author is ...   Margaret Mitchell .   Oh , yes.Here it is .   Thank you very much . I have been looking for it for a long time.Is this the latest edition ?   Yes , we have both the paperback and hardcover.which would you want to buy ?   How about the price of the hardcover ?   It's $ 25 . 