Mischa Barton recently took a breather from all the glamour of Cannes to catch up on a little bit of reading -- on Roberto Cavalli's yacht, natch! The actress tells PEOPLE that she's reading The Kite Runner by Khaled Hosseini right now because, "I've been reading a lot of books about Afghanistan and Pakistan recently for some reason." Kudos to Mischa, but my beach reading is a little bit lighter. Besides reading the new Tim Gunn book, I'm ...