NPR's Scott Simon talks with author Adam Ehrlich Sachs about his new novel "Gretel and the Great War." The book follows a young girl in Vienna at the end of World War I..

NPR's Scott Simon talks with author Adam Ehrlich Sachs about his new novel "Gretel and the Great War." The book follows a young girl in Vienna at the end of World War I.
NPR's Scott Simon talks with author Adam Ehrlich Sachs about his new novel "Gretel and the Great War." The book follows a young girl in Vienna at the end of World War I..