It was officially announced today by the Robert Galbraith social media accounts that The Hallmarked Man will be published on Tuesday 2nd September 2025.

The Hallmarked Man is the eighth Strike and Ellacott novel in a planned series of ten.  J.K. Rowling posted that she had finished writing it on 17th December 2024, and has since confirmed that she has already started Book 9.

The Hallmarked Man is available to pre-order now from your usual bookseller.