Diary of a Wimpy Kid - Hard Luck by Jeff Kinney

Greg's friend Rowley gets a girlfriend. But, when he finds a magic 8 ball he gets a little luck of revenge agents bullies. Greg get a new friend named Fregley. Greg can mold Fregley to make him the best friend. Then, he make Fregley to make funny things. But, Greg's luck isn't so good. Fregley become famous for this. So, his luck is better than older days when he finds out an 8 magic ball. By accident, Greg brakes the 8 magic ball. Greg and Rowley becomes best friends again.