Marianne Cronin was born in 1990 and grew up in Warwickshire. After gaining her PhD in applied linguistics, she worked in academia until becoming a writer. Her first novel, The One Hundred Years of Lenni and Margot, published by Harper Perennial in 2021, was shortlisted for a Goodreads Choice Award for Fiction, and received the American Library Association Alex Award. She lives in the Midlands with her family and her cat.