Werrell, Ralph S.
The Theology of William Tyndale (James Clarke & Co 2006) provides a study of Tyndale's theology, centred in particular around the idea of covenant.
The Roots of William Tyndale's Theology (James Clarke & Co 2013) is a study of the likely influences which shaped Tyndale's theology, in particular that of the Wycliffite tradition.
The Blood of Christ in the Theology of William Tyndale (James Clarke & Co 2015) is a study of the rôle of Christ's blood sacrifice in Tyndale's thought which emphasises the distinctiveness and originality of the great English Reformer, in particular by contrast with those of Martin Luther and John Calvin.