I need some suggestions for some good books to read in english cl...?

im in grade 9 at a highschool where they think so much of you. i need to read a interesting book that makes me look smart for the teachers. i can read books fast but its the matter of reading them and then doing what ever the teaCHER makes you do after the fact. like i just read the cell by Stephan King and it was really good. now i have to make a essay and i dont know what to say about it. i need eather simple books or a smart person to do all my english essays and stories :)