Ring of Riddles

In this masterful novel 15 year old San Franciscan, Greta Grabhorn,advwnture inherits a ring from her beloved grandmother who has died under mysterious circumstances. Greta discovers that the ring gives her special powers to see into mystery and evil. With her magical godmother, Tia Millay, Greta travels to glorious Paris, France where mystery and evil confront her directly. Can the ring save Tia? Can it save Greta? Can Greta save the world.