Excusez-moi parce que mon français n'est pas très bon.
But anyway, Ricardo is absolutely right.
By virtue of European law the legal warranty cannot be less than two years.
This is European law and applies everywhere within the EU.
You can check it out
here.
And
here in french
Directive 1999/44/EC article 5
Honestly, I think bookeen forgot to modify the EU version of their web.
I'm sure they'll fix that soon enough.