All the Frequent Troubles of Our Days: The True Story of the American Woman at the Heart of the German Resistance to Hitler

by Rebecca Donner

Axel von Harnack sends a telegram to Falk: BOOK OUT OF STOCK BUT SIX PICTURES Book means Arvid; out of stock means death sentence; picture means Mildred. The coded message tells Falk that Arvid received a death sentence and Mildred received six years’ imprisonment.