London: Victor Gollancz, Ltd., (1998). First edition - The fifth novel featuring computer journalist Georgina Powers, who not only finds herself a suspect in the death of her contact, a young phone freaker, but in "the midst of a gang war in cyberspace and a turf war in real life." 240 pp. ISBN: 0-57506644X.

New York: Penguin, 2012. dj. SIGNED hardcover first edition - The author's very highly praised first novel, set in San Francisco and the high tech world of Silicon Valley, where an attempt is being made to create a computer not just with artificial intelligence, but actually sentient., INSCRIBED on the title page. 325 pp. ISBN: 978-1594205057.

New York: Penguin, 2012. dj. Hardcover first edition - The author's very highly praised first novel, set in San Francisco and the high tech world of Silicon Valley, where an attempt is being made to create a computer not just with artificial intelligence, but actually sentient. 325 pp. ISBN: 978-1594205057.