Jess Kidd completed her first degree in Literature with The Open University, and has since taught creative writing and gained a PhD in Creative Writing Studies. She has also worked as a support worker specialising in acquired brain injury.

In 2016, Jess won the Costa Short Story Award for Dirty Little Fishes and her debut novel Himself was selected for the BBC Radio 2 Book Club and shortlisted for the Irish Book Awards. In 2017, Himself was shortlisted for the Authors' Club Best First Novel Award and longlisted for the CWA John Creasey (New Blood) Dagger.

Jess was brought up in London as part of a large family from Mayo, and plans to settle somewhere along the west coast of Ireland in the next few years. Until then, she lives in London with her daughter.

Beatriz Castro was born in La Rioja, Spain in 1985. When she was a little girl, she was always drawing and writing stories. She studied illustration at the school of arts in her home town, Logrono.

After graduating, she embarked on a career as a professional illustrator and has since been published by many international publishing houses. She especially enjoys creating funny characters.

Beatriz likes animals, classic stories and fairy tales and listens to rock and punk music.