I love this book! It is not easy to read, but I believe it has a very important message, one that every teenager needs to be aware of. I think it is a book that every teen needs to read, as well as parents and other adults, especially those who deal with kids. It is a book that will leave a mark long after it is finished and will get you thinking. It is the kind of book that will get people to change their behaviour and become more aware of how anything and everything they do affects other people. I love this book, it is in the top 3 best books I've ever read and since I've read a LOT!!!! (like thousands) that's saying something.Lastly,READ THIS!!!!!!!!! 

Question: How is impact?
Answer: the kind of book