* INSPIRATION FOR A FILM: the book inspired a major motion picture by Academy Award winning filmmaker Gavin Hood, starring two-time Oscar-nominated actress Keira Knightley, Matt Smith, two-time Academy Award nominee Ralph Fiennes and Matthew Goode. The film will be released in October 2019. We have an official line tying the book to the film on the cover, approved by Entertainment One. * GCHQ CENTENARY YEAR: GCHQ is 100 years old in 2019, and celebrating its birthday with an exhibition at the Science Museum and an official history book, published via Bloomsbury in the autumn. GCHQ interest will be reaching fever pitch, and this dark chapter in its history will be of interest to anyone seeking out a more balanced, less manicured version of the institution's role in British life. * AUTHORISED ACCOUNT, NEVER BEFORE PUBLISHED IN THE UK: despite the British focus of the story, this account - authorised and with full involvement from Katharine Gun - has never been published in the UK before. A pacy, play-by-play account of the key events, it will be a must-read for all readers interested in espionage. * NEW INTRODUCTION: Katharine Gun, the whistleblower at the heart of the case, has collaborated with the author on a brand new introduction for this movie tie-in edition of the book, framing her experience for a contemporary audience and bringing the reader up to date with the last ten years of her life.

hed in the UK before. A pacy, play-by-play account of the key events, it will be a must-read for all readers interested in espionage. * NEW INTRODUCTION: Katharine Gun, the whistleblower at the heart of the case, has collaborated with the author on a brand new introduction for this movie tie-in edition of the book, framing her experience for a contemporary audience and bringing the reader up to date with the last ten years of her life.