#1 New York Times bestselling authorFrom Graham Moore, the Academy Awardwinning screenwriter of The Imitation Game and New York Times bestselling author of The Sherlockian, comes a thrilling novel - based on actual events - about the nature of genius, the cost of ambition, and the battle to electrify America.New York, 1888. Gas lamps still flicker in the city streets, but the miracle of electric light is in its infancy. The person who controls the means to turn night into day will make history - and a vast fortune. A young untested lawyer named Paul Cravath, fresh out of Columbia Law School, takes a case that seems impossible to win. Pauls client, George Westinghouse, has been sued by Thomas Edison over a billion-dollar question: Who invented the light bulb and holds the right to power the country?The case affords Paul entry to the heady world of high society - the glittering parties in Gramercy Park mansions, and the more insidious dealings done behind closed doors. The task facing Paul is beyond daunting. Edison is a wily, dangerous opponent with vast resources at his disposal - rivate spies, newspapers in his pocket, and the backing of J. P. Morgan himself. Yet this unknown lawyershares with his famous adversary a compulsion to win at all costs. How will he do it?