Free Boy is the story of a 13-year-old slave who escaped from Washington Territory to freedom in Canada on the West's underground railroad.When James Tilton came to Washington Territory as surveyor-general in the 1850s he brought with his household young Charles Mitchell, a slave he had likely received as a wedding gift from a Maryland cousin. The story of Charlie's escape in 1860 on a steamer bound for Victoria and the help he received from free blacks reveals how national issues on...