Why was no attempt ever made until now to get possession of the documents?

How did Isabella Porter come to know or suppose that they were in the possession of Mr. Wright?

Was it any wonder that Carter was in a quandary when these questions were presented to his mind?

He did not know what to think.

He was in the dark.

There was a veil before his eyes, figuratively speaking.

He felt that Isabella Porter had some connection with the mystery of the Red Dragon Inn, but what this connection was he could not determine.

Presently he arrived at the address on West Nineteenth Street.

It was an apartment house. He went into the vestibule and examined the names on the letter boxes.

The name of the woman was not among them.