Can you write a memoir before you’ve graduated high school? Apparently, if you’re pop star Justin Bieber. The 16-year-old singer is penning the story of his rise to fame in Justin Bieber: First Step 2 Forever: My Story, which also promises never-before-seen photos of the performer. Bieber’s memoir is due out in hardcover with HarperCollins in October. Get ready for high-pitched screaming and rioting at your local bookstore.