November 27, 2001
Simon & Schuster Children's Publishing

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Description
Jack Dwyer can see dead people, and they can see him. In fact, he has made a regular practice of communicating with his dead friend Artie from the Ghostlands, where Artie's spirit wonders. Artie helps keep Jack apprised of Prowler activity, and Jack, along with his sister, Courtney, and their friends, tacks these violent killers down and stops them.
Artie's latest piece of information is startling: a vicious beast known as the Ravenous is stalking the Ghostlands. It's Jack's turn to help the endangered spirits - without endagering himself. He's got some help from a woman who is not quite as young a she seems - but the Ravenous has got his scent.
Meanwhile Jasmine, pack leader and dangerous hunter, has issued a hit on Jack and his friends. But if he consults his allies in the Ghostlands for help, Jack will attract the Ravenous. It's a double-edged sword - and Jack's not sure he can avoid being cut...