The Last Blast of the Trumpet. John Knox Book 3. He wants to reform Scotland, but his enemies will stop at nothing to prevent him. Fiery reformer John Knox returns to a land on the brink of civil war. Victorious, he feels confident of his place leading the reform, until the charismatic young widow, Mary Queen of Scots, returns from France to claim her throne. She challenges his position and initiates a ferocious battle of wills as they strive to win the hearts and minds of the Scots, but treachery and jealousy surround them both. They make critical choices in their public and private lives that have dangerous consequence that neither of them can imagine. In this final installment of the trilogy, Macpherson tells the story of a man and a queen at one of the most critical phases of Scottish history.