After decades avoiding his famous father’s shadow, like Smiley trying to leave the intelligence agency known as the Circus, he was drawn back in.
Le Carré left a note asking his family, as custodians of his estate, to help his works live on and find new readers. They took that as permission to write new books. But Harkaway, who made his name with sci-fi thrillers including “The Gone-Away World,” “Angelmaker” and “Titanium Noir,” was apprehensive about being the one to do it.