Goldie Hawk (Author) Goldie Hawk is a children's book writer and editor based in London. She spent much of her childhood running wild on Wimbledon Common or with her nose in a book, and now spends her time researching and writing about all kinds of topics, from historical houses to the art of den-building.Esther Aarts (Illustrator) Esther Aarts is a Dutch illustrator currently working from her studio in an old soap factory. She loves drawing people, especially in motion, suspended in air or interacting physically with their surroundings. Esther's illustrations have appeared in international newspapers, magazines, on greeting cards and T-shirts.In her spare time, Esther loves trampolining, cycling and being outdoors. Esther lives in Nijmegen, supposedly the oldest city in the Netherlands. Several Roman artefacts were found in her area, but none in her garden so far, so she keeps digging.