A+ - This is the best book ever written!
A - An amazing book. Loved it.
B - A great book. I really enjoyed it.
C - A good book.
D - So/so. It had some good parts and it had some bad parts.
F - Didn't care for it one bit.
Innocent - No sex or closed door sex.
Flirty - Some sex but not too much description. More sensual then hot.
Smoky - We are getting very warm here. The pages are starting to steam.
Fire - It's so hot the pages burst into flames.