Much of the book is indeed in Lisa Marie’s words, as Keough faithfully listened to recordings of her mother recounting memories and experiences both big and small.

Oprah Winfrey announced on Tuesday that "From Here to the Great Unknown" is her latest book club selection. Keough helped complete the memoir using her mother's voice recordings, which captured detailed stories about life at Graceland and the lasting effect of Elvis Presley's death.

Riley Keough feared for Lisa Marie Presley after the death of her son Benjamin admitting she believed "it was the end" for her mother after the devastating loss.