4 books in series

Poltergeist

Poltergeist is a 4-book series with 4 primary works first released in 1982 with contributions by James Kahn and Rolf Giesen.

Poltergeist
Poltergeist II: The Other Side
Poltergeist - Die unheimliche Macht: Nacht der Geisterjäger
Poltergeist - Die unheimliche Macht: Dämonenbrut