Personalization is available for certain Quo Vadis planners, Habana and Clairefontaine notebooks, and Rhodia products. These products can be customized in larger quantities, or you can get personalization on one product at a time.
You can see all the products available for customization and personalization here: https://www.exaclair.com/customize/products.php
After you have selected the product you want, you can choose Personalize to have your name or initials imprinted on your book. You can choose from a variety of print colors, two different fonts and two sizes. You can choose where on your book you want your personalization: front or back cover, top, bottom, middle, left or right.
Prices depend on the product chosen, and the type of personalization you choose. You can request a quote before you commit to buying.
Here are some personalization samples (click on the photo for a larger view):