Cormoran Strike is a series of crime fiction novels written by British author J. K. Rowling, published under the pseudonym Robert Galbraith. The story chronicles the cases of private detective Cormoran Strike and his partner Robin Ellacott. Five novels in the series have so far been published. Rowling stated after the third book that she has plans for at least another ten. The sixth novel, titled The Ink Black Heart, is scheduled to be released on 30 August 2022.The first two novels were adapted for BBC One and aired as a series of six episodes in summer 2017. A second series, based on the third book Career of Evil, aired as two episodes in February and March 2018. A third series, an adaptation of Lethal White, aired as four episodes in August and September 2020. A fourth series, an adaptation of Troubled Blood, is scheduled for 2022.