"Into the Darkness" by Barbara Michaels.

Michaels, Barbara. Into The Darkness. New York, NY: Simon & Schuster
Inc., 1990
Let me tell you a story about a woman named Meg Venturi. She was born in Sedon, a small New England town. Her Grandfather Daniel Mignot, a roguish and mysterious founder of a majestic empire, died after a sudden short illness. So Meg had to back to Seldon, which is the small town that she ran away from so many years before. She expected only to pay her respects and to act as a pillar of strength to her fragile Grandmother. When Meg got there she received the shock of her life, which was that her beloved gr…