1/2 to 1 rose: This book is trash! Don't read it! (This only differs in the amount of dislike, the meaning is the same)
1,5 roses: Could be so much better! It needs a really good book doctor!
2 to 2,5 roses: Please work on this! It could be a good book if you took the time...
3 roses: Getting there!
3,5 roses: Is not a good book but it's so close!
4 roses: It's so good! I liked it!
4,5 roses: I liked it! It's almost perfect but not quite there!
5 roses: Absolute perfection! I will take care of it with my life!