The Italian Secretary by Caleb Carr

A Further Adventure of Sherlock Holmes

Set in the Victorian era, this intriguing mystery follows the legendary detective Sherlock Holmes and his loyal companion Dr. John Watson as they are summoned to the royal residence of Holyroodhouse in Scotland. Tasked with investigating a series of gruesome murders that echo the historical assassination of "The Italian Secretary," David Rizzio, the duo navigates a web of political intrigue, supernatural elements, and historical secrets. As they delve deeper into the case, Holmes and Watson must unravel the truth behind the sinister events threatening the royal household, while confronting the shadows of the past that linger in the ancient halls.