Istanbul

Federal agent Alexandra Barnes believes that Catherine Petersen is a serial killer who marries rich men and then murders them for their money. But since Catherine is seemingly a master of disguise and has multiple identities, Alexandra can't prove anything with conventional detective work. With no other option, she goes undercover, pursuing the same man as Catherine, and hoping that Catherine will slip up and reveal her true identity.

After learning that the death of his wife was not an accident, a former CIA Station Chief is forced back into the espionage underworld, teaming up with an adversary to unravel a conspiracy that challenges everything he thought he knew.

Conman Robert Freegard poses as an undercover MI5 agent and kidnaps countless victims amidst a high-stakes manhunt, until the woman who fell for him brings him to justice.

As a top student at St. Adeline's Catholic Boarding School, Zoe senses that something is not quite right about the school's new nun-- a sense proven to be true when it is revealed the "good' nun is an imposter with a fatal attraction to Zoe's brother.

After two British Secret Intelligence Service agents are murdered at the hands of a cryptic neo-Nazi group known as Phoenix, the suave agent Quiller is sent to Berlin to investigate.

Reclusive and controversial author Bruce Cogburn is drawn out of hiding by an obsessive fan, forcing the novelist to confront a past that he thought he could escape, and to account for events set in motion by his bestseller decades earlier. Cogburn's search for who is behind the manipulation and mental torment he encounters leads to an emotional roller-coaster ride full of fear and danger, where things are not always as clear as they seem to be, and where past deeds can have dire consequences.