LiL BUB is one of the most recognized cats on the Internet. From memes to PETA spokeskitten, LiL BUB has quite the resume. Now the famous feline is adding author to her bio. Her book, "LiL BUB’s Lil Book: The Extraordinary Life of the Most Amazing Cat on the Planet," will be available on Sept. 3, but you can catch a sneak peek in this adorable video.