The essential quiz book for clever kids who love to truly test their brain power More than 600 questions collected in this quiz book, ranging from science and nature to history and geography, will keep even the cleverest kids entertained. There are more than 10 different kinds of quizzes, such as True or False or multiple choice, making it impossible to get bored of these brainbusters. Three difficulty levels allow children to either work their way to the top, or start out with the ultimate challenge.