Yes I had to use elephants. Elephants are cool.
They essentially work like the 5-star system, with halves also. The basis of what each start means is close to those used on goodreads.com.
4.5 Elephants: Near perfect book.
4 Elephants: I really enjoyed this book.
3.5 Elephants: This book was pretty good.
3 Elephants: I liked this book.
2.5 Elephants: Some bits were good, but the rest was just OK.
2 Elephants: This book was OK.
1.5 Elephants: Some bits of the book were OK, but I felt it was a waste of my time.
1 Elephant: I did not like this book.
0.5 Elephants: I loathe this book.