Justice for Sara : [a novel]
(Book)

When rebellious seventeen-year-old Katherine McCall awakened one morning to find her sister, Sara, viciously murdered, her whole life changed in the blink of an eye. Kat was named the prime suspect, charged and tried{u2014}and found innocent. But not everyone agreed with the verdict, and Kat's only choice was to go into hiding. She left her hometown behind, but she carried a dark secret with her, one that made her worry she might actually have had something to do with Sara's death. Although Kat has tried to move on with her life, she is still haunted by her sister's unsolved murder. On the tenth anniversary of Sara's death, she receives an anonymous letter that makes the past impossible to ignore: "What about justice for Sara?".