If you're interested in exploring the Hathor material, I recommend checking out the official website or online archives, where you can find and download the PDF documents.
The most well-known book is The Hathor Material: Messages from an Ascended Civilization (2009) by Tom Kenyon and Judi Sion.
The material focuses on human evolution, consciousness, and the use of sound for healing and spiritual growth. It typically includes: Channeled Teachings