Watch Sadisflix. In this fascinating (unauthorized) biographical documentary, you'll get the inside scoop on the creative force behind one of the greatest publishing phenomena in the last 100 years -- J.K. Rowling, author of the Harry Potter series of books. Explore Rowling's meteoric rise from obscurity into the ranks of the world's richest women (via her books), and visit the people and places that played a significant role in her life.