This encyclopedia aims to provide a comprehensive overview of paranormal phenomena, exploring the history, theories, and reported evidence behind a wide range of unexplained occurrences. Patricia D. Netzley, an author with a background in researching and writing about unusual topics, compiles information from various sources to present a balanced perspective on subjects often relegated to folklore or pseudoscience. The work seeks to catalog and explain phenomena such as ghosts, UFOs, psychic abilities, and cryptids, offering readers a structured approach to understanding these mysteries.

This encyclopedia is likely regarded as a comprehensive reference work for those interested in the broad spectrum of paranormal phenomena. Its strength lies in its cataloging approach, providing accessible information on a wide variety of subjects that often lack clear scientific explanation. The author's compilation of diverse accounts and theories suggests a resource intended for general readers seeking an introduction to the field, rather than a deeply academic or critically analytical text.