Here you can find most common questions regarding DDP
Why are there several versions of some books?
Books may be added by different users. Books may also have different versions.
What content can be exchanged on this site?
On this website, users can exchange digital books, articles, story books, comics books, standards, conferences, etc. with other users.
Are scanned books available on the site?
Users may add their old scanned books, but all copyright laws will be followed.
Can publishers and authors sell their books on this site?
Yes, Contact us, then the necessary steps for selling books will be taken.
I paid the money but why does the download link not work?
About 98% of the books are stored on our server, but a large volume books should be uploaded by the seller on the website. This problem may take a maximum of 24 hours to be solved. to expedite the time, send us a message.