Gone Northerners Quest

[zee]

I cannot, For the life of me figure out how to do this quest, I have the mysterious book that the Hotel owner gave me but after searching the hotel rooms for hours I cannot find out how to solve it.

[Morgan Freeman]

The innkeeper has been seen constantly putting a certain book into and out of a certain bookshelf in a room and vanishing.

((the room next to yours))

[ParentExpress]

Put the book into the bookshelf to activate.

[Lenny]

It's the room with one single bed