The Festial, most probably composed in the late 1380s by the Augustinian canon, John Mirk, of Lilleshall Abbey, Shropshire, was the most popular and influential collection of sermons in English in the late medieval and early Tudor period, surviving in many copies, and printed by Caxton and his successors. The collection was designed to be accessible and entertaining, as well as orthodox, to counter the success of Lollard preaching, and taught both the priests who used the sermons, as well as their audiences, the fundamentals of the Christian faith and doctrine, illustrated by many stories....

An edition of four previously unpublished heretical dialogues in Middle English, translated or adapted from Wycliffite sources composed circa 1380-1420. These previously unpublished prose treatises, cast as fictional dialogues, all survive in the form of single manuscripts, probably by different authors, but they cohere in their ideological outlook, subject matter, and debate form. The Dialogue between Jon and Richard concerns the four orders of friars; the Dialogue between a Friar and a Secular claims to be the written record of an oral debate that took place before a Lord Duke of...