A favourite nursery rhyme, re-imagined with wit and whimsy by one of Australia's most loved and best-selling illustrators, and the co-creator of Where is the Green Sheep? Hey ... Hey diddle ... Hey diddle diddle ... Join in the laughter as we meet a cat with a fiddle, a moon-jumping cow and their playful friends in this re-imagined telling of a nursery rhyme favourite, by best-selling author and illustrator Judy Horacek.