People who like this book describe it as
Compelling, Dark, Good characters, Gritty, Authentic, A great story, Timeless, Complex, Suspenseful and Descriptive.
They tend to think it's about
Espionage, Cold War and Intelligence Services.
People who like this book also tend to like other fiction books such as Tinker, Tailor, Soldier, Spy, Smiley's People, Our Man in Havana, A Perfect Spy, The Day of the Jackal, The Little Drummer Girl, The Honourable Schoolboy, The Big Sleep, Dr. No and The Quiet American.
Fans of this particular book tend to dislike other crime/thriller/mystery fiction such as The Lost Symbol.
People who like this book are statistically more likely than most to think of themselves as A leader, Impatient, Analytical and Ethical. Their general interests are more likely to include Cricket, Politics, International News, Radio and Art.
This book is particularly popular among supporters of the Liberal Democrats. This book is particularly popular among readers of Sunday Telegraph.
People who like this book tend to like brands such as Duracell, Colman's, John Lewis, Sony and Nivea.
Aside from novels, other books they tend to like include The Selfish Gene, The Tempest and A Short History of Nearly Everything.
People who like this book say their favourite writers are: John le Carré, Henning Mankell, Ernest Hemingway, Simon Jenkins, Frederick Forsyth, Simon Hoggart, Alan Bennett, Isaac Asimov, Noël Coward and Arthur Conan Doyle.
Their favourite movies are: The Third Man, The Day of the Jackal, Bullitt, MASH, North by Northwest, Das Boot, Dirty Harry, Catch-22, Rebecca and Local Hero.