Sian Gilbert is a thriller author in the United Kingdom. She is represented by Helen Heller at the Helen Heller Agency.Her debut thriller SHE STARTED IT (June 13th 2023) was a Book of the Month Main Selection, and an Amazon Editors' Pick for Best Mystery, Thriller & Suspense.“The perfect summer read.” — Glamour“An intensely compelling and clever tale of revenge.” — Library JournalHer second novel I DID WARN HER is coming June 2025.Follow Sian on Instagram and Twitter: @sianmgilbert