Related to: 'Agent Jack: The True Story of MI5's Secret Nazi Hunter'

Adrian Goldsworthy

Adrian Goldsworthy has a doctorate from Oxford University. His first book, THE ROMAN ARMY AT WAR was recognised by John Keegan as an exceptionally impressive work, original in treatment and impressive in style. He has gone on to write several other books, including PAX ROMANA, ANTONY AND CLEOPATRA, THE FALL OF THE WEST, CAESAR, IN THE NAME OF ROME and ROMAN WARFARE, which have sold more than a quarter of a million copies and been translated into more than a dozen languages. A full-time author, he regularly contributes to TV documentaries on Roman themes.

Alan Clark

Alan Clark, educated at Eton and Oxford, read for the Bar but did not practise. He was the Tory MP for Plymouth Sutton (1972-1992) and for Kensington and Chelsea (1997-1999). He held various junior ministerial appointments in the Margaret Thatcher and John Major governments. He kept a regular diary, which was published in three volumes as IN POWER 1983-1992, INTO POLITICS 1972-1982 and THE LAST DIARIES 1993-1999. They were adapted for television by the BBC and shown in 2004. Clark died in 1999 of a brain tumour.

Anna Freeman

Anna Freeman is a lecturer in Creative Writing at Bath Spa University as well as a multiple slam-winning performance poet who has appeared at festivals across Britain including Latitude and Glastonbury. She lives in Bristol. Her first novel, THE FAIR FIGHT, was shortlisted for the Authors' Club Best First Novel award.

Catriona Ward

CATRIONA WARD was born in Washington, DC and grew up in the United States, Kenya, Madagascar, Yemen, and Morocco. She read English at St Edmund Hall, Oxford and is a graduate of the Creative Writing MA from the University of East Anglia. Her debut novel, RAWBLOOD, won Best Horror Novel at the 2016 British Fantasy Awards, was shortlisted for the Author's Club Best First Novel Award and was selected as a Winter 2016 Fresh Talent title by WHSmith. RAWBLOOD is published in the US and Canada as THE GIRL FROM RAWBLOOD (Sourcebooks, 2017). She lives in London and Devon.

Chloe Mayer

Chloë Mayer is a journalist, whose work has been shortlisted for several awards, including newcomer of the year and reporter of the year. She has lived and worked in Tokyo and Los Angeles, and now lives in east London, not far from where she grew up. THE BOY MADE OF SNOW is her first novel.

Clare Corbett

Clare Corbett has had a successful career on stage, screen and radio. Theatre credits include 'To Kill A Mocking Bird' 'Pygmalion' and Spoonface Steinberg' and her TV credits include BBC's 'Spooks,' 'Fastnet' and 'Final Demand'. A winner of the prestigious Carleton Hobbs Radio Award, she has appeared in over 250 radio plays including 'Absolute Power' 'Venus and Adonis' and ' Dr Zhivago'. Her other voice work comprises of Aardman Animation's ' the planet sketch' and numerous audiobooks (children and adult) including 'Poppy Shakespeare', 'Swallowing Grandma' and 'Child X'. She read 'Alys, Always' by Harriet Lane for Orion.

Dan Cruickshank

Dan Cruickshank is a regular presenter on the BBC best known for his popular BBC Two series THE BEST BUILDINGS OF BRITAIN and WHAT THE INDUSTRIAL REVOLUTION DID FOR US. He is one of Britain's leading architectural and historic building experts.

Daniel Weyman

Daniel appears in Foyle's War for itv as series regular Adam Wainwright. His many other television appearances include Poirot, Midsomer Murders and Dunkirk. He was nominated for Best Performance in a Play at the TMA Awards for his portrayal of Nicholas Nickleby which played at Chichester Festival Theatre, in the West End and in Toronto. His first professional job was at the Donmar Warehouse in The Vortex directed by Michael Grandage. He has recorded many audiobooks and was included in the ALA's Listen List 2013 for outstanding narration.

Edvard Radzinsky

Edvard Radzinsky is after Chekhov, Russia's most frequently staged playwright, and his plays have won him international acclaim. A trained historian, Radzinsky spent twenty-five years on research and writing his life of Nicholas II, THE LAST TSAR, which was an international bestseller. His most recent book is a life of Stalin. He is also known in Russia for his work in television, having twice won the TEFI award, most recently for his series on Napoleon.

Emma Powell

Emma Powell's recent theatre credits include '.45' for Hampstead Theatre, Lady Macbeth and Lady Capulet for C Company, roles in 'Two Gentlemen of Verona' and 'Julius Caesar' for the RSC and 'Persuasion' and 'The Rivals' for ReCreation Theatre Company. Her Radio Drama work includes the classic series 'A Dance to the Music of Time' for Radio 4 and 'Use It or Lose It' for Radio 3 as well as the comedy horror podcast series 'In the Gloaming'. She also has many voice-over credits. GRACELING and FIRE are her first audiobooks for Orion.

Erica James

Erica James is the number one international bestselling author of twenty novels, including the Sunday Times top ten bestsellers Summer at the Lake, The Dandelion Years and Song of the Skylark. She has sold over five million books worldwide and her work has been translated into twelve languages. Erica won the Romantic Novel of the Year Award for her novel Gardens of Delight, set in beautiful Lake Como, Italy, which has become a second home to her. Her authentic characters are thanks to her insatiable appetite for other people's business and a willingness to strike up a conversation with just about anybody.To find out more, visit her website or follow her on Twitter, Facebook or Instagram.www.ericajames.co.ukT@TheEricaJamesf/ericajamesauthor/I/the_ericajames

Flynn Berry

FLYNN BERRY is a graduate of the Michener Center and has been awarded a Yaddo residency. She graduated from Brown University.Her first novel, UNDER THE HARROW, was awarded the Edgar Award for Best First Novel and was called 'a triumph' (Sunday Times) and 'thrilling' (New York Times). She lives in California.

Francesca Jakobi

Francesca studied psychology at the University of Sussex, followed by a stint teaching English in Turkey and the Czech Republic. On returning to her native London she got a job as a reporter on a local paper and has worked in journalism ever since. She's currently a layout editor at the FINANCIAL TIMES. BITTER is her first novel.

Heinz Guderian

Born in 1888, Heinz Guderian served in World War One, came to Hitler's attention in 1935, was made corps commander of Panzer troops and promoted to General in 1938. His tanks were greatly successful in the invasions of Poland and France and, perceived as pro-Nazi, Guderian was much in favour. However, when the Russian invasion failed in the winter of 1941, Guderian was forced to resign, not to regain his position until 1944, when the war was all but lost. He died in Bavaria in 1954.

Ion Trewin

Ion Trewin is a London publisher. Originally a journalist, he was Literary Editor of The Times 1972-79. He was Alan Clark's editor and publisher for the original 'Diaries' and following his death edited two further volumes of the celebrated diaries. In 2008 he edited and introduced THE HUGO YOUNG PAPERS: Thirty Years of British Politics Off the Record (Allen Lane) which won the Channel 4 Political Book of the Year Award 2009. Married with a son who is a literary agent and a daughter who is a teacher, he has since 2006 been literary director of the Man Booker prizes. He was chairman of the Cheltenham Literature Festival 1996-2007.

Jonathan Dean

Jonathan Dean is Senior Writer for the SUNDAY TIMES Culture, regularly interviewing the world's biggest stars. He has written for the paper's News Review, Style, Magazine and Travel sections, on subjects ranging from Remembrance Day to holidays in LA, and contributed to the POOL, GQ, SHORTLIST, the INDEPENDENT and RED.

Julia Fox

Julia Fox is an author and historical researcher, and a former teacher. She lives in London with her husband, the Tudor historian, John Guy. She is the author of JANE BOLEYN and SISTER QUEENS.

Laura Barnett

Laura Barnett was born in 1982 in south London, where she now lives with her husband. She studied Spanish and Italian at Cambridge University, and newspaper journalism at City University, London.As a freelance arts journalist, features writer and theatre critic, Laura has worked for the GUARDIAN, the OBSERVER, the DAILY TELEGRAPH and other national newspapers and magazines. Her first non-fiction book, ADVICE FROM THE PLAYERS - a compendium of advice for actors - was published in 2014 by Nick Hern Books.THE VERSIONS OF US, her debut novel, was a number one bestseller and has been translated into 23 languages. TV rights have been optioned by Trademark Films. Her second novel, GREATEST HITS, was published in 2017, along with an accompanying soundtrack by Kathryn Williams.@laura_jbarnett www.laura-barnett.co.uk www.versionsofus.com

Marie Arana

Peruvian by birth, Marie Arana is former literary editor of the WASHINGTON POST and author of five books: BOLIVAR (winner of the 2014 LOS ANGELES TIMES Book Award for biography); a memoir, AMERICAN CHICA (a finalist for the National Book Award and the PEN/Martha Albrand Award); THE WRITING LIFE: WRITERS ON HOW THEY THINK AND WORK; and two novels set in South America: CELLOPHANE (a finalist for the John Sargent Sr. Prize) and LIMA NIGHTS.

Nigel Nicolson

Nigel Nicolson, the younger son of Harold Nicolson and Vita Sackville-West, was a publisher, a Member of Parliament, an editor (including six volumes of Virginia Woolf's letters and three of his father's diaries) and the author of many books on history, politics, architecture and literature. He lived at the family home, Sissinghurst Castle in Kent, now a property of the National Trust, until his death in 2004.