Please Help Me Help Somebody ...?

Question: Please Help Me Help Somebody !.!.!.!?

A friend asked me to find out a particular book for him!. He forgot the name!. I would really appreciate help! This was his description:

The book was about a boy, 17 or 18, getting possessed by a demon!. But instead of being a horror book it was a funny one!. The cover was of a demon wearing a t-shirt and jeans and behind him is some flames :S

Plz help me help him!
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Best Answer - Chosen by Asker:

I think you may be referring to the book "Repossessed" by A!.M!. Jenkins!. I remember this book from the library where i work!. The cover sounded familiar, and i thought i rememberd the name, so i looked it up!. I think it is what you are referring to!.Www@QuestionHome@Com