Colonel Thorndyke's Secret

About the Author- George Alfred Henty (8 December 1832 - 16 November 1902), was a prolific English novelist and a special correspondent. He is best known for his historical adventure stories that were popular in the late 19th century. His works include The Dragon & The Raven (1886), For The Temple (1888), Under Drake's Flag (1883) and In Freedom's Cause (1885). -Wikipedia