The Silkworm" is a thrilling and suspenseful novel, the fourth book in the Cormoran Strike series, following the journey of the famous detective Cormoran Strike and his assistant Robin Ellacott, as they investigate a murder claimed to have been witnessed by their client in his childhood, in a police plot dominated by intelligence and investigation. The novel, which is part of the Cormoran Strike series, has been adapted into a dramatic television series that was first aired in 2017 on BBC One.