He read it eagerly but with unchanging face; read it a second time, and then handed it back with a bow.

She paused a little again, and then handed it to me.

As she did so she raised her eyes to mine for a single moment appealingly; a swift blush spread over her pale cheeks and forehead.
With mingled feelings I took it, but, all said, I was glad.

She did not show any perturbation in giving the letter to the Detective--she might not have shown any to anyone else.

But to me...