The Door To December: Leigh Nichols (Dean Koontz)

What was the secret her little girl dared not even whisper? Six years before, Laura McCaffrey's three year old daughter had been kidnapped by Laura's estranged husband and had seemingly vanished from the face of the earth. Now Melanie had been found, wandering the Los Angeles streets with blank eyes and a secret in her soul she could not or would not reveal. Dylan had been found too - or at least, his mangled remains had been found. Melanie was home again, safe in her mother's arms. But would Melanie ever be safe again - as the floodgates of horror opened and the bloody torrent came pouring through?