Riley Keough hopes to “honour” her late mother Lisa Marie Presley with the memoir ‘From Here To The Great Unknown’. The 35-year-old actress has completed the book that her mother was working on at the time of her death in January 2023 aged 54 following a sudden cardiac arrest and considers it as a “gift” that she has the chance to tell Lisa Marie’s story to the world. In a behind-the-scenes video of her in a recording booth, Riley said: “I aim not only to honour my mother, but to tell a human story in what I know is an extraordinary circumstance. “I am aware that the recordings my mother left …