Showing results for "Secrets" in Vehicles & Transportation

Twins John and Ambrose Clark find themselves aiding the patriots once again as they help work on a top-secret submarine that could end the war … and also look for a way to rescue their captured older brother. Based on the real Bushnell's Turtle, book two of the American Revolutionary War...

BONUS FEATURE: Enhanced CD featuring photos, maps, and illustrations from the book. For more than one hundred years, a submarine lay buried beneath the ocean floor near Charleston, South Carolina. This Civil War stealth weapon–the H. L. Hunley–made history in 1864 as the first submarine ever...

Both Thomas Edison and Henry Ford started off as insatiably curious tinkerers. That curiosity led them to become inventors - with very different results. As Edison invented hit after commercial hit, gaining fame and fortune, Henry struggled to make a single invention (an affordable car) work. Witnessing Thomas' glorious career from afar, a frustrated Henry wondered about the secret to his success.