A comprehensive biography of the Indigenous Brazilian explorer, scientist, statesman and conservationist who guided Theodore Roosevelt on his journey down the River of Doubt chronicles his extraordinary career and his many achievements, including three nominations for the Nobel Peace Prize.

Turn-of-the-century Cornwall turns unexpectedly dangerous for amateur sleuths Lord and Lady Sheridan as they investigate a case of sabotage and death at a local transmission station for the new wireless communications technology.

Provides a biographical sketch of Granville Woods, sometimes known as the "Black Edison," and descriptions of some of his inventions.

"Cyrus Field had a big dream to connect North America and the United Kingdom with a telegraph line, which would enable instant communication. In the mid-1800s, no one knew if it was possible. That didn't dissuade Cyrus, who set out to learn about undersea cables and built a network of influential people to raise money and create interest in his project. Cyrus experienced numerous setbacks: many years of delays and failed attempts, millions of dollars...

"Jack Miller stumbles through the Civil War, winding up a telegrapher and cryptographer for the army. In the field with General Sherman in Georgia, he is captured along with his precious cipher key. His captor, Hamilton Buckley, thinks he should have been president of the Confederacy, not Jefferson Davis. Jack doubts Buckley's sanity and longs to escape. Buckley's kindhearted niece, Marilla, might help him -- but only if Jack helps her achieve her...