In Lisa Marie Presley‘s posthumous memoir From Here to the Great Unknown, her daughter Riley Keough recalls the difficult — and painfully public — experience of learning her superstar mother had died. Keough agreed to help her mother tell her story before Presley died in early 2023, and after her death, Keough finished the book by listening to audio recordings of her mother’s memories. Before Presley officially died, the public was aware her life was hanging in the balance. TMZ originally reported that she was rushed to the hospital after suffering “full” cardiac arrest at her home in Californ…