From 1988 until 2020 Dr Maunder worked as a senior lecturer in Theology & Religious Studies at York St John University, and served there as Head of Department, Head of B.A., and Head of M.A. He has written and edited books and articles on the Virgin Mary and is also passionate about Marian shrines.
His books include a new volume of Henry Bettenson’s collection,
Documents of the Christian Church (OUP, 1999, 2011),
Origins of the Cult of the Virgin Mary (Continuum, 2008),
and Our Lady of the Nations: Apparitions of Mary in 20th-Century Catholic (2016 OUP).
More recently he was editor of the Oxford Handbook of Mary (2019, OUP).