Gabriel Allon, secret agent, assassin and master art restorer, returns in a spellbinding new novel from the #1 New York Times bestselling author

Europe is exploding. And one man must find out why.

For Gabriel Allon and his wife Chiara, it was supposed to be the start of a romantic weekend in London. But nothing is ever that simple when you’re an off-duty spy and assassin.

Bombings in Paris and Copenhagen have put him on edge and when Gabriel notices a man exhibiting several traits common to suicide bombers, he follows him into the Covent Garden throng. He’s determined to prevent the carnage he fears is about to take place, but before Gabriel can draw his sidearm, he is knocked to the pavement by two plain-clothes poli…