Title: The Kilted Stranger (Harlequin Romance, #1973)
Description: Obeying her mother's last request, Sue planned to go to Scotland and deliver a letter to a man she had never heard of. She felt she must go.

But more than one surprise awaited her at the end of the journey: the father she had believed dead -- and his formidable partner, Meric Findlay.
Places: Scotland