. Part of the pleasure of this novel is that the characters seem so much cleverer than we are. It's haunting, fascinating . . . It also made me want to reread the entire Smiley sequence . Spectator
. Gripping, fast-paced . . . A splendid novel . Andrew Marr, Sunday Times
. 'The old magic still holds . . . I might as well say it: to read this simmering novel is to come in from the cold . New York Times
. Breathtaking . . . Not since The Spy Who Came in From The Coldhas le Carré exercised his gift as a storyteller so powerfully and to such thrilling effect . John Banville, Guardian
. Le Carré surpasses himself. A masterclass in the genre . . . poignant and brilliant . Observer