In the price of 21.80 € the shipping costs by ordinary mail is included. If it is only one copy, since the package fits in the mailbox, you can avoid having to wait at home for the delivery of the package or having to go to the post office to pick it up. If you want more than one copy, please consult rsaruh@hotmail. com or through the contact form.
The price of the book for direct sale is 15 € and 6.80 € is the postal delivary cost for the EU.