The indefinite boundary
Subtitle: an investigation into the relationship between matter and spirit
By: Guy Lyon Playfair ; with an appendix by Hernani Guimarães Andrade.
Publisher: St. Martin's Press
Published: 1976
Place of publication: New York
Language: eng
Number of pages: 320
Subjects: Parapsychology.; Occultism.; Spirit writings.
Notes: Includes bibliographical references and index.