Diary of a Wimpy Kid: 33 Misfortunes, Book 8 by Jeff Kinney

Greg Heffley is haunted by misfortune: his best friend Rowley Jefferson is now friends with a girl, and finding new friends in high school is oh so difficult. In addition, Greg does not like to make decisions. And here comes the "magic ball" that can answer all questions! Is it just a toy, and Greg's life is another story of 33 misfortunes?..