Last Writes — Sheila Lowe

Claudia's friend Kelly learns that she's an aunt when her estranged half sister, Erin, shows up at her home in desperate need of help. Erin and her husband have been living quiet lives as members of the Temple of Brighter Light in an isolated compound. But now her husband and young child have disappeared, leaving behind a cryptic note with a terrifying message.

Seizing an opportunity to use her special skills as a forensic handwriting expert, Claudia becomes one of the few outsiders ever to be invited inside the temple's compound. She has only a few days to uncover the truth about Kelly's missing niece before the prophecy of a secret ancient parchment can be fulfilled and a child's life is written off for good....