LibraryThing

The tour was easy and simple, and the site is easy to navigate. I searched for the Breadwinner, and it was easy, reviews were easy to read.
I will not be using this site, as I have been using The GoodReads for over a year, and find it equally good.

Reading/writing blog: 5 min
Tour/navigation of Library thing: 10 min
Total time: 15 min