The Shadow had an idea and smiled to himself, putting it into execution.
The Shadow smiled at the final quip, but his face was turned away.
The Shadow smiled slightly as he wrote a note of his own and folded it.
At the window in the dark night, The Shadow smiled to himself.
Shadow smiled, slightly, in recognition of the old children's song.
The Shadow was still smiling when the messengers had gone.
The Shadow smiled as he gave a nod of admission.
The Shadow smiled as he paced the little living room.
The Shadow smiled to himself in the dark cabin of the boat.
The Shadow smiled as they started toward the door.