Harry Potter e-books are now available in French, German, Italian and Spanish, per the Pottermore website (Français? Italiano? Deutsch? Español?):
The Harry Potter eBooks are now available in French, Italian, German and Spanish from the Pottermore Shop. For the first time ever, you can download the Harry Potter eBooks in these languages, wherever you are in the world, and read them on any device.
Read the announcement at Pottermore.