Brown thrashes her way through absolutely everything that has happened to the family since the end of the last book in 1997 — the good, the bad and, in the case of the 2012 Olympics, the downright boring. How fun a chapter is depends on how badly the royals are behaving, which makes anything before 2010 dull. In the absence of any serious meat, you simply have to lie back and let her heady mix of light gossip and turn of phrase wash over you.