THE OLD ENEMY by Henry Porter was lauded in Graydon Carter’s weekly newsletter, Air Mail. They write: “Anyone who has read Porter’s books knows he is a first-class thriller writer, and his latest, the third in a trilogy starring onetime M.I.6 agent Paul Samson, should bring him even more fans…For those who like their international spy thrillers shaken and stirred, THE OLD ENEMY is the ideal tonic.” Atlantic Monthly Press published the book on June 8, 2021.