Theology and Science Fiction (Cascade Companions; Eugene: Cascade, 2016)
The Burial of Jesus: What Does History Have To Do With Faith? (Patheos Press, 2012)
The Only True God: Monotheism in Early Judaism and Christianity (Urbana: University of Illinois Press, 2009)
John’s Apologetic Christology: Legitimation and Development in Johannine Christology (SNTS Monograph Series, Cambridge University Press, 2001)
Books edited
Time and Relative Dimensions in Faith: Religion and Doctor Who (co-edited with Andrew Crome; Darton, Longman, and Todd, 2013)
Religion and Science Fiction (Pickwick Press, 2011; Lutterworth Press, 2012)
Articles and book chapters
"A God Needs Compassion, but Not a Starship: Star Trek's Humanist Theology," inThe Ultimate Star Trek and Philosophy: The Search for Socrates, ed. Kevin S. Decker and Jason T. Eberl. Malden: John Wiley & Sons, 2016, pp. 315–325.
"Foreword" toThe Son of God: Three Views of the Identity of Jesus, by Charles Lee Irons, Danny Andre Dixon, and Dustin R. Smith. Eugene: Wipf & Stock, 2015.
"Explicit and Implicit Religion in Doctor Who and Star Trek,"Implicit Religion 18:4 (2015) 471-484.
"Polemic, Redaction, and History in the Mandaean Book of John: The Case of theLightworld Visitors to Jerusalem,"ARAM Periodical 25 (2013) 375-382.
"Monotheism," inVocabulary for the Study of Religion ed. Robert A. Segal andKocku von Stuckrad (Leiden: E. J. Brill, 2015).
"Mythicism and the Making of Mark" inThe Bible and Interpretation August 2015
"Religion’s Futures and the Future’s Religions through the Lens of Science Fiction" inThe Changing World Religions Map, ed. Stan Brunn (New York: Springer, 2015) 2893-2905.
"Monotheism," inThe Oxford Encyclopedia of the Bible and Ethics, ed. Robert L. Brawley (Oxford University Press, 2014) 57-64.
"Did Jesus Die in Outer Space? Evaluating a Key Claim in Richard Carrier’s On the Historicity of Jesus" inThe Bible & Interpretation October 2014
"John 2:13-16," "The Three Johns," and "The Woman at the Well" - contributions to the Society of Biblical Literature Bible Odyssey website.
"Mythicism and the Mainstream: The Rhetoric and Realities of Academic Freedom" inThe Bible and Interpretation March 2014.
"Epilogue" inTime and Relative Dimensions in Faith (see above).
"Revisiting the Mandaeans and the New Testament" inThe Bible & Interpretation August 2013
"Reading the Story of Miriai on Two Levels: Evidence from Mandaean Anti-Jewish Polemic about the Origins and Setting of Early Mandaeism,"ARAM Periodical (2010): 583–592.
"Biblical Literalism in the New Jerusalem," inTouching the Face of the Cosmos: On the Intersection of Space Travel and Religion edited by Paul Levinson and Michael Waltemathe, Fordham University Press, 2016, pp. 161–164.