I recently checked this book out of the library. The setting is the 1980's, and the story wonderfully interweaves the ballads of Tam Lin and Thomas the Rhymer together.
This is the product description, on the dust cover of the book.
"A photograph called "Fire and Hemlock" that has been on the wall since her childhood. A story in a book of supernatural stories -- had Polly read it before under a different title? Polly, packing to return to college, is distracted by picture and story, clues from the past stirring memories. But why should she suddenly have memories that do not seem to correspond to the facts?
Fire and Hemlock is an intricate, romantic fantasy filled with sorcery and intrigue, magic and mystery, all background to a most unusual and thoroughly satisfying love story."
I don't want to write anymore for fear of giving away key plot points to anyone who might read this blog, but I found it to be a good page turner. It reminded me a little bit of her book Hexwood, not in style or plot, but in the she revealed information, and the little twists she continued to add the plot right down to the last page.