[3] She graduated from the University of Warwick with a Bachelor of Arts (BA) in English literature and Creative Writing.
During maternity leave,[6] she began writing short stories, which were published in Mslexia and Litro Magazine.
[8] The Swiss Alps-set thriller, written over the course of two years,[9] introduces detective Elin Warner during her stay at the fictional Le Sonnet hotel[10] and was inspired by Pearse's time living in Crans-Montana, where she learned about the history of local sanatoriums.
The Sanatorium on The Sunday Times bestseller list[11] before climbing to #1,[5] made the top 10 of the New York Times bestseller list,[12] was a Reese's Book Club pick[13] and Waterstones Thriller of the Month, and won Crime Book of the Year at the 2022 FingerPrint Awards.
[15] Pearse then signed a two-book deal with Sphere Books in April 2023,[16] through which she published the trilogy's third and final installment The Wilds in 2024, in which Elin searches for a missing artist in a Portuguese national park.