The leafy Avenue Foch, one of the most exclusive residential streets in Nazi-occupied France, was Paris's hotbed of daring spies, murderous secret police, amoral informers and Vichy collaborators. So when American physician Sumner Jackson found himself drawn into the Liberation network of the French resistance, he knew the stakes were impossibly high. Drawing upon a wealth of primary source material and extensive interviews with Sumner’s son, Phillip, Alex Kershaw recreates the City of Light during its darkest days.