The BBC TV show QI has some very irritating characteristics. First, there's the twee reference to their researchers as 'elves'. Then there's the smugness. No quiz show has ever been so smug in the way it delights in the wrong answers of contestants. And it has featured some scientific bloomers, such as naming Galileo as the inventor of the telescope. But this book is based on the QI researchers (still nauseatingly called elves) appearance on Zoe Ball's breakfast show on BBC Radio 2, answering listeners' questions - making it far less cynical and a compendium of good, fun, surprising facts. What we get here is a collection of one and two page articles answering questions from how an ant measures distance to why we don't say 'sheeps' (unless we are Jeremy Clarkson). Some of the topics are fairly well-known already - like there not being a licence to kill in MI6, why a computer mouse is called a mouse, or whether or clone would have the same fingerprint...