Derek O'Brien has been synonymous with quizzing for three decades now. Starting as a quizmaster who worked on weekends conducting quizzes, he went from strength to strength and started his own quiz and knowledge company”Derek O'Brien and Associates. Over the years, Derek and his colleagues have conducted tens of thousands of quiz shows.In this book, he has chosen some of the best, most challenging and most informative questions that were asked in his path-breaking and entertaining Bournvita Quiz Contest series, as well as other quizzes conducted in schools. With this book, get ready toearn interesting facts across a range of subjects and to challenge your mind with the incomparable Derek O'Brien.