Facebook CEO Mark Zuckerberg announced at the weekend that he's starting a book club. He, and anyone else who wants to join in, will read and discuss a book every two weeks. Only the first book has been chosen so far (The End of Power by Moises Naim), so we've compiled a list of Picador books that fit the book club's criteria of emphasizing learning about new cultures, beliefs, histories and technologies. In no particular order...