Riley Keough was quick to agree to help complete her mother’s memoir. She thought they’d write it together, reflecting on her extraordinary upbringing and life, but it became a much greater responsibility after Lisa Marie Presley’ssudden death in 2023. Finishing the task her mother — the only child of Elvis and Priscilla Presley and a recording artist in her own right — had started years earlier elicited “all kinds of emotions,” Keough said in an interview with The Associated Press ahead of the book’s release Tuesday.