1. The neighborhood mural was supposed to show famous inventors. 2. When Darius arrived to paint, he saw the sketch: a row of faces he didn't recognize. 3. "They'll look great," the coordinator said, handing him a brush. 4. Darius dipped the brush, then paused. 5. He thought of his little sister, who always asked why no one in her books looked like her. 6. Darius set the brush down and walked to the coordinator. 7. "Can we add someone like Mae Jemison?" he asked. 8. The coordinator blinked, then smiled slowly. 9. "Yes," she said. "Let's." 10. Darius picked up the brush again, this time with steady hands.