Whispering Shadows — Marion Carr

Despite the strides women were making in 1907, Abigail Carter felt stifled as companion to Mrs. Emilia Goodenough, and standing in loco parentis to her sister Polly was no sinecure!
All the ladies were roused to excitement when Emilia's nephew, Carl Montegne, arrived to sweep them off to Italy to help him seek the long lost family fortune. But, Carl made it clear he really only wanted to sweep his aunt, and even the lovely Castello couldn't stop the friction between Carl and Abigail … until the enchantment of the quest suddenly turned into danger, and Abigail knew the extent of her feelings…