This is a fast-paced mystery involving a brilliant teenage sleuth who must unmask a serial killer in San Francisco through Ripper, the online mystery game she plays with her beloved grandfather and friends around the world. Indiana Jackson is thirty-three years old and works in San Francisco at an alternative medicine clinic that attracts all sorts of characters, some of them skeptics, who fall for her candour and humility. Her teenage daughter, Amanda, likes noir literature and hopes to attend MIT, where she will be with Bradley, an old friend that she plans to marry, with or without his consent. In her free time, she plays Ripper, an online role playing game that involves solving real-life mysteries and crimes using information collected by Amanda's father, the Chief Inspector of the San Francisco police. Amanda plays the game via Skype with adolescents from all over the world and with her best friend, her grandfather Blake. Each player in the game has a virtual personality: Amanda is the game master, and Blake is her henchman; the others are Sherlock Holmes, Colonel Paddington, Esmeralda and the psychic Abatha. When Ripper's latest murder mystery the case of the misplaced bat begins to touch their real-world lives, Amanda and her friends know they must find the murderer before he can strike again. This is a true thriller, with twists, surprises, well-placed clues and revelations leading to a climactic finale. -- Provided by publisher.