Kass Morgan is an American author best known for her young adult science fiction series, The 100. The series, which began as a novel in 2013, explores themes of survival, society, and human relationships in a post-apocalyptic world. It has gained popularity and was adapted into a successful television series on The CW. In addition to The 100, Morgan has written other works, including the Light Years series. She holds a degree from Vassar College and a master's degree from New York University. Morgan's writing often features strong characters and complex moral dilemmas, appealing to a wide range of readers.