Benedict Xvi, Bart Ehrman, ... — Jesus, Interpreted:

The book by Matthew J. Ramage explores the conflicting methodologies of two prominent modern authors to determine who best captures the "true face" of Jesus. Core Comparison

The work pits the "hermeneutic of faith" against a "mainstream agnostic approach": The Pope's New Book - The Bart Ehrman Blog Jesus, Interpreted: Benedict XVI, Bart Ehrman, ...