From Number One bestselling picture book duo, David Walliams and Tony Ross, comes this bear-illiantly funny adventure for children of 3 and up.At the top of the world, surrounded by snow and ice, lives a very cheeky polar bear cub who loves to goBOO!But this little bear cub doesnt always know when to stopPresenting a mischievous new picture book packed with snow and surprises, from two standout talents!