I love how Chandler weaves little bits about World War II America into the story. My favorite bit being the rubber brick sidewalk being pulled up so the rubber could be used for the war effort. Who knew sidewalks used to be made from rubber bricks?
Marlowe is such a full character. He would much rather be at home solving chess problems but he is reluctantly compelled to follow all clues where they lead him. Including into bodily harm.