Biggers, Earl Derr: Keeper Of The Keys. v1. 5 Feb 2013
 

Earl Derr Biggers (August 24, 1884 – April 5, 1933) was an American novelist and playwright. He is remembered primarily for adaptations of his novels, especially those featuring the Chinese-American detective Charlie Chan.

Excerpt
Presently he turned, and the girl understood, for she saw that he was a Chinese. A race that minds its own business. An admirable race. This member of it was plump and middle- aged. His little black eyes were shining as from some inner excitement; his lips were parted in a smile that seemed to indicate a sudden immense delight. Without so much as a glance toward number seven, he rose and walked rapidly down the car.

Not especially for this book because I have not read it as of yet, but for 'the ebook FANatic' and others like him who graciously upload all of these wonderful books