The Ice Maiden — Jean Vicary

Laura was alone with nowhere to go when she accepted Mrs. Von Braunisch's offer to be her companion. But the job held one strange stipulation: Laura must be ready to travel anywhere with her elderly employer and at a moment's notice!

What followed was a nightmare of fear that took them to Switzerland and Finland in search of a mysterious fortune. But there was more to it than that, as Laura discovered when she herself turned out to be the object of the pursuit, and the witness to a deadly, evil masquerade!