Schutzgeister. Die Trilogie is a German‑language novel by Penny McLean, first issued in 1996 by the publisher Erd. The paperback edition carries the ISBN 978‑3‑8138‑3029‑0 and was released on November 1, 1996. The work is part of a trilogy, though the specific narrative arc is not detailed in the available metadata. As a standalone volume, it offers readers a glimpse into McLean’s storytelling within the German literary market of the mid‑1990s. The book is available in German and is catalogued as a single‑volume entry of the trilogy, making it a distinct title within the series.