About the Book: In the sixth book of James Ponti’s bestselling City Spies series, young secret agents embark on a high-stakes international mission spanning Istanbul, Rome, and London. When Cairo’s sister disappears in Istanbul, the City Spies race to rescue her while protecting the family of one of their own. At the same time, dangerous intelligence threatens a royal wedding in Westminster, sending the team back to the UK on an official MI6 mission. With heightened security and enemies watching their every move, the young spies must rely on teamwork, courage, technology, and clever undercover skills to complete their most challenging operation yet. Perfect for fans of Spy School and Charlie Thorne.