Do you know who Marie Sweldon was?

Hint 1 of 9:

Have you tried to look her up in the History?

Hint 2 of 9:

No entry, hmmm . . . She was the author of the romantic novel, right?

Hint 3 of 9:

Have you looked up Roger?  He was in the photo in the Dark room.

Hint 4 of 9:

He had a wife, one who wrote romantic novels.  He was also ashamed
of her work, could Marie be a pen name?

Hint 5 of 9:

Do the letters look familiar in Marie Sweldon.

Hint 6 of 9:

It is an anagram.

Hint 7 of 9:

Drop the letters in Meldrew.  You are left with ailson.  Unscramble
it and you have Alison.

Hint 8 of 9:

Did you look up Alison in the History.

Hint 9 of 9:

Okay, go find the secret room.