SOLVED. It's about a girl that works at a university, but her boss has disappeared. She finds some object that can transfer consciousness to other living things and does so to a mouse in her apartment. [s]

[Keddes]

The cover may have a key on it

It has a somewhat obscure title

Its about a girl that works at a university, but her boss has dissapered . She finds some object that can transfer consciousness to other living thnigs and does so to a mouse i her apartment.

[Kris]

Keddes, what year did you read this book?

What's the location - Denmark/U.S./country, big city/small town/region?

Note: Deleted duplicate post.

[Keddes]

I read it 2010, in denmark

Hope you can help

[Kris]

The Many Selves of Katherine North by Emma Geen?

[Anna]

The End of Mr. Y?

[Martini]

Seconding Anna's suggestion for The End of Mr. Y, it was the first book that came to my mind when I read the description.

[Keddes]

Yes thank you.
Its "the end of mr y"

Superb