"Historical Serial Killers IV" offers a deep insight into the dark world of serial killers from the late Middle Ages to the mid-20th century. This scholarly book, authored by Michael Kirchschlager and other contributors, illuminates the life stories and actions of various serial killers who were active in different European countries. The collection includes both well-known and lesser-known cases, supplemented by historical documents and analyses. Readers will gain not only information about the killers' actions but also about the societal and historical contexts in which they lived. The thorough research and well-founded presentation make this book a valuable resource for those interested in criminal history and psychology. It is suitable for both professionals and laypeople who wish to engage with the subject matter.