The Phantom and Barnabas Collins — Marilyn Ross

Maggie Evans visits the Collins family graveyard and is transported back in time to the year 1880. There she awakes, an amnesia victim at a Collinwood she barely recognizes. All that seems familiar are the house itself and the family's guest,Barnabas Collins. -- Slowly Maggie learns she is trapped in a nightmare. She has fallen into the hands of Dr. Giles Collins who's mysterious experiments with human blood have already taken several lives.

Though Maggie is warned that he is a vampire, she turns to Barnabas for help.