Utopia (ISBN 0-385-50668-6) is the first solo novel by Lincoln Child published in 2002. It is set in a futuristic amusement park called Utopia, a park that relies heavily on holographics and robotics. Dr. Andrew Warne, the man who designed the program that runs the park's robots, is called in to help fix a problem. But when he gets there, he finds out that the park is being held hostage by a mysterious man known as John Doe. Source: Wikipedia (en)