A team of Nazi scientists has made an amazing discovery. But experiments have gone terribly wrong. The situation gets out of hand, and before long the expedition members find themselves peering into the deepest recesses of the human soul. Purdue, Nina and Sam realize that their only hope for survival is to unlock the secrets of the Order of the Black Sun. The Order of the Black Sun series leads the listener on a roller-coaster ride in search of a legend.

Out of work and on the run after a shocking betrayal by his brothers-in-arms, the ex-Special Forces commando hasn’t stopped moving for months. He can’t. Some of the same soldiers who left him for dead in the Middle East still want his head. And they’re getting closer. So far, he’s been lucky. But Dak is low on money and nearly out of time. All he needs is an easy gig. A place to lie low, bank some cash, and quietly figure out his next move.

When ex-MI5 operative Joe Mason is sent to Rome to guard an elderly professor and his daughter, he thinks he’s in for an easy ride. But on their first day in the Vatican secret archives, a masked assassin gains entry, shoots Joe’s client in cold blood and steals an ancient manuscript. Giving chase, Joe can’t imagine what could lie within those pages that would make someone willing to kill. The search for answers leads Joe and his comrades in a race against time, across continents and into treacherous mountains.

Former elite operative Noah Wolf is drawn back into the shadowy world of espionage. Living a serene life with his family in the Florida Keys, Noah’s past resurfaces when he is called to rejoin the mysterious organization E & E. Relocating to the high-tech sanctuary of Kirtland, the situation quickly takes a dark turn when Noah embarks on a perilous mission against a network of assassins led by the enigmatic Henrik Shultz, known as Adrian: a man Noah thought he’d killed many years ago. But nothing is what it seems in the world of assassins.

While on a visit to the United States, Pope Pius XIII is kidnapped by a terrorist cell calling itself the Soldiers of Islam. If the United States and its allies do not meet their demands, they will execute the pope. FBI Specialist Shari Cohen is called to duty to track down the terrorist cell responsible, and she soon learns that she is not alone.

Deep behind the Vatican walls, a secret order dispatches a clandestine group of elite commandos known as the Vatican Knights. Their mission: bring the pope back alive.