Beyond the Grave: A Free Ghost Detective Novel

Origin: From the author of the global phenomenon The Da Vinci Code (Robert Langdon Book 5)

Piercing the Veil: A Ghost Detective Novel

Inferno: (Robert Langdon Book 4)

Common Ground: A Ghost Detective Short Story

The Lost Symbol: (Robert Langdon Book 3)

Unveiling the Past: A Ghost Detective Novel

Beneath the Surface: A Ghost Detective Novel

Clear and Present Danger

Eternal Bond: A Ghost Detective Short Story

Unfinished Business, Volume 2: A Ghost Detective Collection

Just Desserts: A Ghost Detective Short Story

Heritage: A Ghost Detective Short Story

New Beginnings: A Ghost Detective Short Story