PopSugar UK — Warning: major book spoilers ahead. Gone Girl who? The Girl on the Train what? Before Gillian Flynn and Paula Hawkins topped the bestseller list with their modern mysteries, there was Agatha Christie. Having sold billions of books in more than 100 d... more info

PopSugar UK — One of the reasons The Girl on the Train shot to seemingly instant success was its spectacular, there's-no-way-in-hell-you-ever-saw-that-coming ending (in addition to its fantastic writing, terrifying thrills, and complex characters, of course). Alt... more info