Ewa Jozefkowicz grew up in Ealing, and studied English Literature at UCL. Her debut novel The Mystery of the Colour Thief, published by Zephyr in 2018, was shortlisted for the Waterstones Children's Book Prize. Her second book Girl 38: Finding a Friend blends contemporary times with WWII Poland. Ewa lives in north London, with her husband and twin daughters, Magda and Julia.