Interesting & Unique Bookshelf Ideas

Found something images today of things for my dream house. Tell me these aren't just perfect for the self-professed bookworm.

How is this for a perfect chair to curl up in?

And you can't tell me that this is a dream bed.

Even a staircase can get utilized.

As for the living room, I think this would give a wall a unique look.

I love this next piece. I can even see putting this into a corner of your kitchen or bedroom.