No Time for Goodbye - Linwood Barclay

The house was silent. No sound of her parents getting ready for work, or her brother late for school. Were they punishing her for last night? She’d been out on a date when she should have been studying, and had a huge fight with her father. So where was everyone now? Why had her family disappeared?

Twenty-five years later the mystery is no nearer to being solved and Cynthia is still haunted by unanswered questions. Were her family murdered? Abducted? If so, why was she spared? And if they’re alive, why did they abandon her?

Then a letter arrives, a letter which makes no sense. Soon Cynthia begins to realise that stirring up the past could be the worst mistake she has ever made…