Peter Moore, a wireless operator on Pacific liners, has the sharpest ear in the trade. In San Francisco's Chinatown, a woman throws him a note from a window ordering him to keep away. Soon he picks up a call for help in Morse code, and a young American woman is kidnapped. The adventure takes him all the way to a river near Shanghai, towards the domain of the “Grey Dragon”, a powerful mine owner.
A fast-moving mystery in early twentieth-century China, with a hero who has more daring than caution.
Its fast pace and direct sentences make it easy to read in the language you are learning.



















