title: Percy Lavon Julian: Pioneering Chemist Signature Lives Series author: Darlene R. Stille date: Compass Point Books; 2009 non-fiction reading level: 7.0 preview the book There is a very limited range of biographies of people of color that are available for middle and high school readers, so I was glad to find Percy Lavon: Pioneering… Read More review: Percy Lavon Julian Pioneering Chemist