Johnny Depp and Harper Launching New Book Publishing Imprint: Johnny Depp has partnered with Harper, an imprint of HarperCollins Publishers, to launch Infinitum Nihil. Depp will publish titles that reflect his diverse interests and passions. Infinitum Nihil will be a home for authentic, outspoken and visionary ideas and voices, from authors both celebrated and unsung, beginning with author Doug Brinkley.