Join TV presenter, Johnny Ball, for an incredible number-filled adventure, cracking secret codes and unravelling mazes - now in paperback Let your child join Johnny Ball on a dazzling maths adventure to infinity and beyond.They'll find out maths isn't just about sums and calculations, but how numbers can take them anywhere! Watch as they learn to test their friends with magic tricks, discover mind-reading techniques and find out about the simple puzzles that stumped the world's brainiest mathematicians for centuries. So if your child thinks maths is boring - help them think again with Johnny Ball!