The Dyatlov Pass Incident

The Lost Crown Jewels of Ireland

Sappho’s Missing Poems

The Lost Roman Legion

The Missing Fabergé Eggs

The Ark of the Covenant

Shadow of Night: A Novel

The Ghost Ship

Mystery of the Florentine Diamond

The Tamám Shud Case

Lost Library of the Moscow Tsars

War Lord

Raphael’s Missing Painting

The Flame Bearer

Pancho Villa’s Lost Treasure

Sword of Kings

The Mystery of the Copper Scroll

The Pagan Lord