No Time for Goodbye by Linwood Barclay

Fourteen-year-old Cynthia Bigge woke one morning to discover that her entire family, mother, father, brother had vanished. No note, no trace, no return. Ever. Now, twenty-five years later, she'll learn the devastating truth

Sometimes better not to know. . .

Cynthia is happily married with a young daughter, a new family. But the story of her old family isn't over. A strange car in the neighborhood, untraceable phone calls, ominous gifts, someone has returned to her hometown to finish what was started twenty-five years ago. And no one's innocence is guaranteed, not even her own. By the time Cynthia discovers her killer's shocking identity, it will again be too late . . . even for goodbye.