Lisa Marie Presley's raw memoir "From Here to the Great Unknown" is out now. Ahead of Oprah's Riley Keough interview, these are the biggest reveals.

There were so many times that I found him down on the floor or unable to control his body very well,” Lisa Marie Presley writes of her father, Elvis, in her posthumous new memoir.

In her posthumous memoir 'From Here to the Great Unknown,' Lisa Marie Presley opened up about her whirlwind relationship and marriage with Michael Jackson, who told her he was "still a virgin" when they first got together romantically.