PRAISE FOR FIRST HIPPO ON THE MOON: "Pre-schoolers will roar with laughter" - Daily Express "Part Aesop, part Spike Milligan... this is rollicking stuff" - Big Issue PRAISE FOR WALLIAMS: "I absolutely love David Walliams's books. In a few more years they will become classics." - Sue Townsend, author of Adrian Mole "Dahl finally has a worthy successor" - Telgraph "Another triumph for David Walliams. His books are a breath of wonderful fresh air" - The Sun

Since 2008 David Walliams has taken the children's literary world by storm. His bestselling eight novels have been translated into over forty languages and have sold over ten million copies in the UK alone. Walliams' books have achieved unprecedented critical acclaim and countless broadsheet reviewers have compared him to his all-time hero, Roald Dahl. Born in London, Tony Ross went to art school in Liverpool. His cartoons have appeared in famous publications the world over. His first book, HUGO AND THE WICKED WINTER, was published in 1972. Tony has since written over 100 books and illustrated over 2000! His creations Towser and The Little Princess have been turned into TV series. David and Tony have worked on four Number One bestselling picture books together, as well as six of David's phenomenally successful children's novels - Billionaire Boy, Gangsta Granny, Ratburger, Demon Dentist, Awful Auntie and Grandpa's Great Escape.