When We Cease to Understand the World, by Benjamin Labatut

Opening sentence:

• In a medical examination on the eve of the Nuremberg Trials, the doctors found the nails of Hermann Goring’s fingers and toes stained a furious red, the consequence of his addiction to dihydrocodeine, an analgesic of which he took more than one hundred pills a day.

Perfect segue from Aftermath: Life in the Fallout from the Third Reich!