Synopsis: From the back cover of the Ace Books first edition: For Holly Brown, the horror begins with a bomb blast, shattering the joy of a Thanksgiving Day Parade. Holly is gravely injured - and her young son Evan is killed. Overwhelmed with grief, she turns to her friend Alex Moreau for comfort. She tells Alex that Evan's spirit has appeared to her. He's told her the name of the terrorists behind the attack. And he's demanded that she avenge his death. But Alex is a member of The Legacy. She has learned to be suspicious of ghostly visitations. Can she discover the truth in time to prevent Holly from committing a terrible act of violence? An act that will endanger not only her soul - but the entire world...