Kate Scott was born in London of American parents. She has lived in Hong Kong, Paris, Scotland and two tiny villages in France, but now lives in Dorset with her husband and two children. Kate's poems have been broadcast on BBC Radio 4 and her short fiction on Radio 4 Extra.

Her first published children's novel was Boy in Tights which developed into the three-book series, Spies in Disguise. Kate leads poetry workshops for children in conjunction with Tor Theatre and runs creative writing sessions with bookshops and schools across the UK.

Clare Elsom is a children's illustrator and author. She is the creator of young fiction series Horace & Harriet, a highly illustrated series published by Oxford University Press.

Clare has also illustrated dozens of popular children's books, including the best-selling Flying Fergus series written by Olympic champion Sir Chris Hoy, and Joanna Nadin. Clare Elsom is based in Devon, UK.