September 29, 1913. The steamship Dresden is halfway between Belgium and England. On board is one of the most famous men in the world, Rudolf Diesel, whose new internal combustion engine is on the verge of revolutionizing global industry forever. But Diesel never arrives at his destination. He vanishes during the night, and headlines around the world wonder if it was an accident, suicide or murder. In THE MYSTERIOUS CASE OF RUDOLF DIESEL, New York Times bestselling author Douglas Brunt reopens the case and provides an astonishing new conclusion about Diesel’s fate.