1. By selecting Pay by Paypal/Credit Card, a button “Buy with Paypal” is displayed. Click on it and you will be redirected to PayPal’s secure payment page ( What is PayPal? ). After payment, you will be redirected to a page where you will immediately have encrypted links to directly access the online reading and downloading page. (No problems with unreceived or late or damaged emails…) As a reminder, you will also receive an e-mail with the link(s) to the page(s) for viewing and downloading the eBook(s) ordered.
2. By selecting Pay by check or bank transfer, a “VALIDATE” button is displayed. Click on it and you will be redirected to the order page where you will provide us with your delivery information. You will then be redirected to the thank you page with all the information necessary to finalize your payment.
As a reminder, you will also receive an e-mail with this information and the summary of your order. When we have received your payment, we will send you your links to the online viewing and download pages and/or the books or USB key ordered.

The links are valid 3 times for 48 hours. So don’t delay. Click on the links and read your eBOOKS. Remember to download your PDF as a priority to be able to keep your eBOOKS on your computer and thus consult them at will.