2011 - The Entrepreneurial Spirit of African American Inventors (Hardcover) ISBN-13: 9780313363351 ISBN-10: 0313363358 Genres: Business & Money, Engineering & Transportation, Politics & Social Sciences ? 2008 - The Inventive Spirit of African Americans Patented Ingenuity (Paperback) → Hardcover ISBN-13: 9780313351563 ISBN-10: 0313351562 Genre: Business & Money ? 2004 - The Inventive Spirit of African Americans Patented Ingenuity (Hardcover) → Paperback ISBN-13: 9780275966744 ISBN-10: 0275966747 Genres: History, Nonfiction ? |