A Separation by Katie Kitamura, 229 pages.
The unnamed narrator of Kitamura's novel starts to worry about her soon-to-be ex-husband when her mother-in-law, Isabella, calls to ask where he has gone. Isabella is worried about her son, and hasn't heard from him. Christopher, the husband / son in question, has run off to Greece to do some writing knowing that his marriage is over. The narrator is convinced by Isabella to go off and look for him; it seems easier to do that than to explain the state of her marriage to Isabella, As the narrator begins her search she finds out more about the man she had married, and discovers that there is a mystery here, more than just the "who is this man that I married?" mystery, though that's here too. A good choice for fans of intelligent prose with a bit of mystery.