Color Her Dead

Susan Burch was a strange sort of person. She was an artist, very able, in paints. She used substitute colors, getting some amazing results. It was a talent she had noticed as a child. She would change tones and hues in all of a painting.
She had a commission in Isla Tormenta, a small lush Caribbean island off the coast of Nicaragua. A wealthy man there wanted his girlfriends and their friends painted, using the technique.
He had a wife and young daughter. They were, to understate it, not amused.
Then, the murders....