Waterstones
Photo taken (with my phone ^^; ) at Waterstones in Glasgow. I LOVE the couches where you can read the books (yes even if you don't buy them).
And on the basement, at the design/photo/arts level , there is even a coffee salon !
I think I'm going to spen a lot of time there (when I will have handed out my 5 assesments T_T)