One of the more unexpected aspects of the state visit is an opportunity to speculate on the Prime Minister's reading and viewing habits. An official White House photo captured the Camerons' bookshelves behind the First Lady and Samantha Cameron. The images are a little blurry, but some titles can be discerned.
We can clearly make out a couple of seasons of 24 there in the middle, but can you identify any of the others?
Paris interiors, Arts and Artists, and the Family Cookbook are among the non-controversial titles we can make out, alongside a Brideshead Revisited box set.
So, childish but fun game of the day: can you work out any of the other items in the Cameron media library?