My rating scale:
5: Loved it
4.5: Great
4: Good
3.5: Liked It
3: OK
2-2.5: Didn't like it
1-1.5: Hated it
Since I seem to be on a string of DNF books, I've decided to sample the freebies that I am trying to read. If the sample holds my interest, I'll start it. However, that is no guarantee that I will finish it, but I think it will help.