The hilarious rhyming picture book from award-winning Kes Gray and Roald Dahl Funny Prize winner Jim Field, creators of the bestselling OI FROG! and OI DOG! According to Frog . . . cats sit on gnats, dogs sit on logs, armadillos sit on pillows and chicks sit on bricks! But Cat doesn't like sitting on gnats. They keep biting his bottom! Will Frog and Dog help him change the rules? Praise for OI FROG!: 'An absolute treat.' - Daily Mail 'Everyone will love it.' - Guardian 'Simply brilliant' - Independent OI FROG!, OI DOG! and OI CAT! are a top ten bestselling series.