From the acclaimed author of "Agent Zigzag" comes an extraordinary account of the most successful deception--and certainly the strangest--ever carried out in World War II, one that changed the prospects for an Allied victory. The purpose of the plan--code named Operation Mincemeat--was to deceive the Nazis into thinking that Allied forces were planning to attack southern Europe by way of Greece or Sardinia, rather than Sicily, as the Nazis had assumed,...