Before proceeding with the purchase, on Maremagnum.com you can send some questions to the bookseller. To do so, simply click on the link "Ask for more info", which is below the price of the book you are interested in.
NB. In order to send your question to the bookseller you must be a registered user of Maremagnum and log in to your account. If you don't have one, you can sign up here.