 Another was the "midnight shift", whereby the opening balance of a given week was less than the closing balance of the previous week.The book describes that a "Missing Million" prisoners exist in the difference in totals between two U.S. army reports (the last of the daily reports and the first of the weekly reports) issued on June 2, 1945.As a consequence of this, according to Quartermaster's reports the number of rations issued to the camps was reduced by 900,000.