The first hippo on the moon

"From Number One bestselling picture book duo David Walliams and Tony Ross comes this explosively funny space adventure for children of 3 and up.Two big hippos.One ENORMOUS dream.Who can make it to the moon first?3 . . . 2 . . . 1 . . .BLAST OFF!Introducing a wonderfully charming and funny new picture book from two superstars!"