Hebrew, Greek, Coptic
The 'Egerton Gospel' (Egerton Papyrus 2 + P. Köln VI 255): Introduction, Critical Edition, and Commentary, Texts and Editions for New Testament Study 13 (Brill: Leiden, 2019).
John among the Other Gospels: The Reception of the Fourth Gospel in the Extra-Canonical Gospels, WUNT II 347 (Tübingen: Mohr Siebeck, 2013).
“Reconsidering the Date(s) of the 'Egerton Gospel'”, Zeitschrift für Papyrologie und Epigraphik 204 (2017): 55–71 [co-authored with Peter Malik].
Die Nag-Hammadi-Schriften in der Literatur- und Theologiegeschichte des frühen Christentum, Studien und Texte zu Antike und Christentum106 (Tübingen: Mohr Siebeck, 2017), Journal of Ecclesiastical History 70 (2019): 336–338.
The Other Side: Apocryphal Perspectives on Ancient Christian ‘Orthodoxies’(Göttingen: Vandenhoeck & Ruprecht, 2017), Catholic Biblical Quarterly 80 (2018): 758–759.
Encountering Jesus: Character Studies in the Gospel of John(2nd ed., Minneapolis: Fortress, 2014), Catholic Biblical Quarterly 78 (2016): 353–355.
From Jesus to the New Testament: Early Christian Theology and the Origin of the New Testament Canon(trans. Wayne Coppins; Baylor-Mohr Siebeck Studies in Early Christianity; Tübingen: Mohr Siebeck, 2013), Catholic Biblical Quarterly 78 (2016): 391–393.
Jesus through Middle Eastern Eyes: Cultural Studies in the Gospels(London: SPCK, 2008), Scottish Bulletin of Evangelical Theology 27 (2009): 224–225.
The Reception of the New Testament in the Apostolic Fathers(Oxford: Oxford University Press, 2005), Canadian Evangelical Review 16 (2009): 51–54.