Anonymously edited by Andrew Porter.
- Anonymously edited by Andrew Porter (confirmed by Porter to Verifier2)
- Data per Chalker & Owings.
- 1000 copies printed
- No illustration.
- Note that Bradley's text is given the subtitle "The Art And Science Of Anguish in Science Fiction" in the list of contents, but doesn't have a subtitle on title page.
- "Experiment Perilous: The Art and Science of Anguish in Science Fiction" appeared originally in ALGOL #19, November 1972. Copyright © 1972 by Marion Zimmer Bradley. Reprinted by permission of the author.
- "The 'Bug Jack Barron' Papers" appeared originally in ALGOL #15, Spring 1969. Copyright © 1969 by Norman Spinrad. Reprinted by permission of the author.
- "Writing and 'The Demolished Man'" appeared originally in ALGOL #18, May 1972. Copyright © 1972 by Alfred Bester. Reprinted by permission of the author.
- The price $2.50 stated on the copyright page.
- Data from a physical copy.