It was supposed to be the start of a pleasant weekend in London for master art restorer and spy Gabriel Allon and his wife, Chiara. But a deadly pair of bombings in Paris and Copenhagen has already marred this lovely autumn day. Then, before he can stop a man he suspects is about to launch a third attack in Covent Garden, Gabriel is knocked to the pavement-and he can only watch helplessly as the nightmare unfolds.áThe haunting memory of his failure to stop the massacre of innocents is still fresh when Gabriel is summoned to Washington-and plunged into a deadly confrontation with the new face of global terror.áAn elusive American-born cleric in Yemen-once a paid CIA asset whom Allah has granted ´a beautiful and seductive tongue´ -stands at the center of the explosive plague of death and destruction. And the worst is yet to come...