The Lost Gospel: Decoding the Ancient Text that Reveals Jesus' Marriage to Mary the Magdalene is a book published by investigative journalist Simcha Jacobovici and Religious Studies historian Barrie Wilson in 2014.

[1] It contends that the 6th century manuscript -- by Pseudo-Zacharias Rhetor now British Library Add MS 17202 -- commonly referred to as "Joseph and Aseneth" is really a disguised history.

Using the interpretive methodology favoured by Syriac Christian scholars -- typological analysis -- the authors decode the writing as having to do with Jesus (Joseph) and Mary Magdalene (Aseneth).

[10] Israeli Biblical scholar, Rivka Nir called their work "serious-minded, thought-provoking and interesting", but described the thesis as objectionable, [11] The Lost Gospel was described as historical nonsense by Markus Bockmuehl.

[12] Author Ross Shepard Kraemer complained that her book When Aseneth Met Joseph: A Late Antique Tale of the Biblical Patriarch and His Egyptian Wife, Reconsidered was distorted by Simcha Jacobovici and Barrie Wilson (revised preface to the 2015 paperback edition).