This riveting, "visually stunning" (Kirkus Reviews, starred review) picture book biography tells the true story of Rose Valland's valiant efforts to save thousands of works of art during World War II by becoming a spy in her own museum. Rose Valland loved art. When the Nazis invaded Paris during World War II and took over her beloved museum, Rose could have fled. But who would save the artwork? So, Rose remained and saw how she was underestimated by the soldiers for being a quiet, unassuming woman. She knew it was the time to act. And Rose had a secret weapon: she could speak German. She listened, kept track of all the stolen art, and saved what she could. Rose became a spy. And in the end, she saved thousands of works of art.