Ebook: What color is my world?: the lost history of African-American inventors

While twins Ella and Herbie help the handyman Mr. Midal work on their new home, he tells them about such inventors as Granville Woods, Dr. Henry T. Sampson, and James West, giving them a new view of their heritage as African-Americans.;Dr. Henry T. Sampson -- Granville T. Woods -- Lewis Howard Latimer -- Dr. Mark Dean -- Dr. Valerie L. Thomas -- James E. West -- Frederick McKinley Jones -- Joseph Lee -- Lloyd A. Hall -- George Crum -- -- Daniel Hale Williams -- Dr. Charles Drew -- Dr. Percy Lavon Julian -- Alfred L. Cralle -- Lonnie Johnson -- Garrett Morgan.