What Color Is My World?: The Lost History of African-American Inventors: Kareem Abdul-Jabbar, basketball legend and the NBA's alltime leading scorer, champions a lineup of little-known African-American inventors in this lively, kid-friendly book. Did you know that James West invented the microphone in your cell phone? That Fred Jones invented the refrigerated truck that makes supermarkets possible? Or that Dr. Percy Julian synthesized cortisone from soy, easing untold people's pain?