Nearly 30 years to the day that Clarence Thomas won a hard-fought Senate vote to become the Supreme Court’s 106th justice, his publisher is releasing audio and Kindle versions of his bestselling autobiography that describes his path from poor black child to the top of the legal world.

Harper is reviving My Grandfather’s Son: A Memoir for his anniversary as Thomas has become what many court-watchers call “the most important justice,” in part because he is currently the longest-serving judge and because he is the voice of originalism.