Miss Blaine's Prefect and the Vampire Menace, Paperback/Olga Wojtas

Intrepid librarian Shona McMonagle, erstwhile Marcia Blaine Academy prefect, finds herself in an isolated French mountain village, Sans-Soleil. She is is soon drawn into a full-blown vampire hunt, involving several notable villagers, the world-renowned soprano Mary Garden - and even Count Dracula himself.