The City is an Engine. Heller Wilson has found the key. From acclaimed writer Charles Soule (27, Strongman, Swamp Thing) comes a mathematical thriller about Chaos, Probability, and the race to stop a citywide disaster. In 1978, Dr. Spencer Brownfield saved New York City from itself, bringing the city back from the verge of collapse and ruin. And for thirty years, his small, unnoticed adjustments to the city's systems have kept the city afloat. Or...