“Mama, what is this?” she asked suddenly, reaching into the grass at the foot of the steps. Mama looked. She gasped. “Oh, my God,” she said. Annemarie picked it up. She recognized it now, knew what it was. It was the packet that Peter had given to Mr. Rosen. “Mr. Rosen tripped on the step, remember? It must have fallen from his pocket. We’ll have to save it and give it back to Peter.” Annemarie handed it to her mother. “Do you know what it is?”