Cardinal Gerhard Müller, the former prefect of the Congregation for the Doctrine of the Faith, is releasing a book (in Italian) critical of Pope Francis' pontificate, slated to be published on Jan. 27. Authored by Franca Giansoldati, the book is titled In Good Faith: Religion in the 21st Century. Church Militant's Rome correspondent, Jules Gomes, has an advance copy and discusses the book's contents with Simon Rafe.