We couldn't find a cover image for this book but we did find it listed on Amazon
Isa asked herself if one of the guests could be the man plotting to find the treasure and perhaps murder the Duke process...Fiery as her red hair, Isa stormed of the castle into the ominous darkness. How dare the Duke of Strathnaver accuse her of inventing the threat to his life solely to gain an invitation to his Ball. Because she was a concert artistes he thought of her as without scruples.As she ran towards the fir trees fate gave Isa a vital clue. Pride swept away humiliation. For the honour of the Clan she must go back to prove the Duke wrong if it was the last thing she did.In the morning her resolution brings disaster. A search of the grounds leaves them in chains condemned to a horrible death. Isa never believed that love could dawn in such surroundings, yet when the Duke kissed her nothing else mattered...