Count down from ten with the cheeky aliens and do your ''sums with bums'' in Ten Green Bottoms – a hilarious storybook for preschoolers, which is a twist on the classic nursery rhyme Ten Green Bottles. Join the green-bottomed aliens and their ‘wind-powered'' rocket as they cause all kinds of mischief on Earth. Packed full of silly humour and with lots to spot in busy scenes, this riotous rhyming story by Barry Timms and Mike Byrne is perfect for reading aloud and sharing.With a surprise gatefold ending, a number line to count up to ten and back down again plus a page of simple adding up, first maths skills have never been so much fun!