9781138684492 | Routledge, August 11, 2016, cover price $140.00

9789004300958, titled "Der Mythos Der Religiösen Neutralität: Eine Studie Zum Verborgenen Einfluss Des Religiösen Glaubens Auf Theorien" | Brill Academic Pub, December 15, 2016, cover price $76.00

9780268013905 | Univ of Notre Dame Pr, August 1, 1991, cover price $39.95 | About this edition: This book offers a radical reinterpretation of the general relations between religion, philosophy and science.

9780268023669 | Revised edition (Univ of Notre Dame Pr, June 10, 2005), cover price $45.00 | About this edition: Written for undergraduates, the educated layperson, and scholars in fields other than philosophy, The Myth of Religious Neutrality offers a radical reinterpretation of the general relations between religion, science, and philosophy.

9780268013998 | Univ of Notre Dame Pr, January 1, 1992, cover price $22.00

9781591022855 | Prometheus Books, April 8, 2005, cover price $21.99

9780312300715, titled "The Science of Ufos: What If They're Real?" | Reprint edition (Griffin, July 1, 2002), cover price $13.95 | About this edition: An astronomer speculates on the possibility of UFOs and discusses the technology and theoretical principles required to make them possible.

9780312288365 | Reprint edition (Griffin, August 13, 1957), cover price $7.79

9780312262259 | 1 edition (St Martins Pr, February 1, 2001), cover price $23.95 | About this edition: An astronomer speculates on the possibility of UFOs and discusses the technology and theoretical principles required to make them possible.

9780877221319 | Temple Univ Pr, June 1, 1978, cover price $24.95 | About this edition: Book by Spector, Marshall

9780877221272 | Temple Univ Pr, May 1, 1978, cover price $14.95