Harvard professor Henry Spearman--an ingenious amateur sleuth who uses economics to size up every situation--is sent by an American entrepreneur to Cambridge, England. Spearman's mission is to scout out for purchase the most famous house in economic science: Balliol Croft, the former dwelling place of Professor Alfred Marshall, John Maynard Keynes's teacher and the font of modern economic theory. A near miss for the American entrepreneur and the shocking...