Notes

457 pages.
Cover: An unsolved mystery. One last chance to catch the killer. Can Ava and Luke solve the case.
Summary: When Ava and Luke discover a mysterious box in their attic, they're instantly curious about what secrets it might hold. As they read letters, diary entries, newspaper cuttings, police reports and listen to secret recordings, they realise a decades-old, still unsolved murder mystery is still unfolding right in front of them. Ava and Luke decide to crack the case themselves. But as they work through the clues, it soon becomes clear that the mystery isn't something left in the past: the killer is still out there - and might be closer than they think...