General help (FAQs)

How to buy a book or eBook?

We invite you, first of all, to discover our books and ebooks by editorial collection, subject area, or author, or by keyword searching. To acquire the books that interest you, just follow the simple steps:
  • add them to your shopping cart using the order button;
  • use your email address and password to authenticate;
  • if you do not have an account, create one, while shopping, following the instructions on the site;
  • once authenticated, you can complete your order.

How do I pay?

  • All orders are carried out exclusively via our website.
  • The payment is made for each order by credit card via the secure payment system Paybox.
  • For more information about payment, please visit the page on on-line payment.

How are the purchased books delivered?

Once your payment is validated, you will receive a confirmation email summarizing the contents of your order and amount paid through our secure payment system. Delivery methods vary depending on the product format and place of destination:
  • for e-books, a second email is sent to you explaining how to download the purchased book(s).
  • for shipments to Switzerland, count on a delivery time of between 24 and 48 hours.
  • for shipments outside of Switzerland, our packages are delivered within 24 to 48 hours by DHL Express, with signature of the recipient required. In case of absence, a notice is left.

How to generate bills?


You have, of course, the ability to generate and print an invoice of your purchases. Simply log in to the site using your username and password, then:
  • click the "My Account" tab (top right)
  • the tab "Orders" summarizes all titles purchased on our website; clicking on one of them gives a detailed view of the order.
  • by clicking the "Print" button, a PDF invoice is automatically generated and loaded onto your computer.

What to do in case of problems?


In case of problems related to the operation of our website,  or for any question concerning an order, or for any other inquiries, please do not hesitate to contact us.