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 | A biography of the Canadian-born black American who studied engineering in Scotland and patented over fifty inventions despite the obstacles he faced because of his race. |
| A biography of the Canadian-born black American who studied engineering in Scotland and patented over fifty inventions despite the obstacles he faced because of his race. |
 | A biography of the Canadian-born black American who studied engineering in Scotland and patented over fifty inventions despite the obstacles he faced because of his race. |
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| A picture-book biography of the inventor of, among others things, the lightbulb and the phonograph. |
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 | A biography of the man renowned for his scientific inventions, popular writings, and political leadership. |
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