A heads up that Honeymoon, Missing Person, and Catherine Certitude (a children's book) by Modiano are all available from David R. Godine, Publisher, for those looking for English translation. [0] To the best of my knowledge, English translations of Modiano are actually shamefully rare and these might be the only available editions at the moment.
We don't currently have ebooks available for our Modiano titles unfortunately, though reprints are already being scheduled so it's possible ebooks might be a part of that. I can't personally make any promises. Edit: The office is very much aware of the interest in an ebook edition!
Disclosure: I'm an intern at Godine.
[0]: http://www.godine.com/search.asp?search=modiano