V.C. Andrews 
My Sweet Audrina [EPUB ebook] 

A haunting story of love and deceit, innocence and betrayal, and the suffocating power of parental love from V.C. Andrews.The idea of her sister hovered above them all. Audrina fiercely desired to be as good as her sister. She knew her father could not love her as he loved that other girl, for her sister was so special, so perfectand dead. Upstairs in a locked room awaited her sisters clothes and dolls, her animals and gamesand her sacred rocking chair. Now Audrina will rock and rock and rock to reclaim all of her gone sisters special gifts. And then finally shell learn the secrets everyone else knows but her.