Shadow Dance — Douglas Borton

Little Timothy Cutter has a secret. He knows the truth behind his parents' inexplicable deaths. He knows about the runa: ageless, bodiless, a shadow thing that invades a human host and steals its victim's soul with a kiss ...

Robert Thorn, too, has a secret. Twelve years ago he unleashed the runa on the world. Ever since, he has been stalking it across two continents, following a trail of corpses that cast no shadows. He has sworn to stop the runa ... and Timothy is the key.

Only one thing stands in Thorn's way -- Dr. Rachel Weiss, the therapist assigned to help the traumatized boy.

In the concrete canyons and shadowed hilltops of Los Angeles, Timothy, Rachel, and Thorn find themselves locked in a deadly dance, as mankind's oldest enemy inexorably closes in ...