内容简介：
John Henry Harris has been murdered. From his death arises the ghost Descartes. A 9mm bullet through the back of the skull simultaneously ended the life of the one and gave birth to the other. John Henry has lost his daughter and the $74 million he was paid for his successful company. The ghost Descartes has gained probable immortality and the ability to interact with the world of breathers through the computer and the internet.