Bookshelf Lighting

I love the look of a bookshelf topped with lighting, like this:

From Apartment Therapy

But I also like the idea of adding swing-arm sconces to the shelf itself.  Examples:



 I also love the above combination of a library/guest room.

I don't get the collection of mini tables - or are they tiny stools?  I guess everyone collects something.

My favorite has to be this IKEA Billy Bookcases hack - tutorial here.  Total genius!

And I love the adjustable height lamps too.  Total crave!