Sarah Ward 
In Bitter Chill [EPUB ebook] 

Bampton, Derbyshire, January 1978. Two girls go missing: Rachel Jones returns, Sophie Jenkins is never found. Thirty years later: Sophie Jenkins's mother commits suicide. Rachel Jones has tried to put the past behind her and move on with her life. But news of the suicide re-opens old wounds and Rachel realises that the only way she can have a future is to finally discover what really happened all those years ago. This is a story about loss and family secrets, and how often the very darkest secrets are those that are closest to you.