Henry Winterfeld (born April 9, 1901, in Hamburg, Germany; died January 27, 1990, in Machias, Maine), also published under the pseudonym Manfred Michael. He was a German writer and artist famous for his children's and young adult novels.
“Anxiously, he touched the lump on his head again, then felt his injured leg, groaning. "The whole affair is a mystery to me," he said. "Who would want to steal anything from me?" "Perhaps a thief...?" ventured Julius.”