Going West on the Silk Road

The book starts at the end of his first book, The Cowboy and the Eight Immortals, as they plan to leave China via the Silk Road, where the paleontologist plans to dig for bones and ship them back to the United States. They plan to travel the Silk Road back to the Black Sea and then to England, where Ryan's Lady Jane lives. The run into the Second Afghan War at the Khyber Pass and are stopped from completing their first objective. Then they finally see Dr. Watson, and Lady Jane takes Watson back to England, while Ryan goes back to China to save Empress Kin a second time from people seeking her throne.