Agent Running in the Field by John le Carre: A review

As John le Carré nears his 90th birthday (he was born in 1931), it is good to note that he really has not lost a step when it comes to constructing a convoluted brain-teaser of a spy thriller. His skills are on full display in his latest book, Agent Running in the Field . Even the title of the book is open to interpretation. Does it refer to a "spy handler" who manages agents in the field? Or does it refer to an agent who is running to escape? In the end, it could be both or either. This is le Carré's first book set in the Trump/Boris Johnson/Brexit era and one of the characters, Ed, expounds what I would guess is the author's jaundiced view of that entire debacle. But I am getting ahead of myself. The story begins with a spy handler named Nat being pulled from that job and brought back to London. Nat is a twenty-five-year veteran of MI6 and he loved his job in the field. He is not happy about being pulled from it and suspects that he is about to be given his walki...