The Sixth Day

"When several major political figures die mysteriously, officials declare the deaths are from natural causes. Then the German Vice-Chancellor dies on the steps of 10 Downing Street, and a drone is spotted hovering over the scene. The truth becomes clear--these high-profile deaths are well-constructed assassinations, and the Covert Eyes team is tasked to investigate. With the help of Dr. Isabella Marin, a young expert in the enigmatic Voynich Manuscript and cryptophasia, ... Nicholas and Michaela home in on Roman Ardelean, a wealthy cybersecurity genius and a descendant of fifteenth century Romanian Vlad the Impaler--often romanticized as Dracula"--