The Silver Skull (Signed Paperback)

Determined to avoid an arranged marriage, Lady Olivia stowed away inside a dirigible.

Only to find herself imprisoned in a castle with no hope of rescue. So much for proving herself a worthy spy. Worse, survival hinges upon feigning marriage to the suspected double agent she was tailing—the handsome scientist Lord Rathsburn.

A mad count has kidnapped Rathsburn’s sister, and demands as the price of her freedom Rathsburn’s greatest invention: a bone-hardening technology to transform the count’s guardsmen into invincible soldiers.

Neither can trust the other. But their lives depend on working together: to keep their captors off-balance long enough to perfect Rathsburn’s technology, free his sister, escape the clutches of the count and—most of all—to keep this groundbreaking research out of enemy hands.