The award-winning author of A Small Death in Lisbon brings an exciting richness to the long shadow of evil in this crackling novel of spycraft and international intrigue.

Lisbon, 1944:
Andrea Aspinall, plucked out of academia by British intelligence so that her mathematical knowledge might help in the hunt for atomic secrets, disappears under a new identity in Lisbon, where such secrets are easily bought and sold.
Karl Voss, already experienced in the illusions of intrigue when he arrives in Lisbon, is an attache at the German Legation, though he is secretly...