City of Traitors
The upcoming City of Traitors is the third book in The Double Agent series by Alex Gerlis.
More details about City of Traitors will be revealed soon.
Alex Gerlis
Alex Gerlis was a BBC journalist for nearly thirty years and is the author of nine Second World war espionage thrillers, all published by Canelo.
His first four novels are in the acclaimed Spy Masters series, including the best-selling The Best of Our Spies which is currently being developed as a television series. Prince of Spies was published in March 2020 and was followed by three more in the Prince series. His latest series is the Wolf Pack novels, with Agent in Berlin published in November 2021, with the second in the series due to be published in July 2022.
The Double Agent
The Double Agent consists of two books and series is set to expand with the upcoming release of one more book. The current recommended reading order for the series is provided below.

