Michio Kaku begins to speak out about UAP on Tucker Carlson Tonight.
You will benefit from a basic understanding of physics and the universe (Kaku), ET history (Corso and Dolan), ETs impact on religion and ETs as God (Wallis), the ETs' agendas (Dolan), and ETs as the source of all life on Earth (Crick) as you pursue more about the Extraterrestial Phenomenon.
See these summaries on key books.