Master of international intrigue Daniel Silva follows up his acclaimed #1 New York Times bestsellers The Order, The New Girl, and The Other Woman with this riveting, action-packed tale of espionage and suspense featuring art restorer and spy Gabriel Allon.

The fatal poisoning of a Russian billionaire sends Gabriel Allon on a dangerous journey across Europe and into the orbit of a musical virtuoso who may hold the key to the truth about his friend's dea ...