 In Anthony Horowitz's Magpie Murders a significant proportion of the book features a fictional but authentically formatted mystery novel by Alan Conway, titled 'Magpie Murders'.The secondary novel ends before its conclusion returning the narrative to the original, and primary, story where the protagonist and reviewer of the book attempts to find the final chapter.As this progresses characters and messages within the fictional 'Magpie Murders' manifest themselves within the primary narrative and the final chapter's content reveals the reason for its original absence.