Is leven thumps and the gateway to foo a good book?

well, tommorow obert skye is coming to our school and if you want to have one of signed autographed books then u have to pay beforehand but im not sure if i want to purchase the book...if anyone knows waht i mean...well cause having a book that is autographed is a pretty big deal if you are a book worm...(which i am) and by the way the book costs 9 bucks