Maths isn"t just about sums and calculations, number can take you anywhere. With "Think of a Number" you"ll explore a fantastic world of wonder that is full of surprises. Join Johnny Ball on a dazzling adventure to infinity and beyond - crack codes, unravel mazes and discover why finding a prime number could make you a millionaire. Test your friends with magic tricks and mind-reading techniques and find out about the simple puzzles that stumped the world"s brainiest mathematicians for centuries. Think maths is boring? Think again!