In Hilary Mantel's novel "Wolf Hall," the character Thomas Cromwell navigates the complex political landscape of Tudor England under King Henry VIII. The story explores themes of power, ambition, and the intricacies of court life, highlighting Cromwell's rise from humble beginnings to becoming a key advisor to the king. His sharp intellect and ability to maneuver through treachery are central to the narrative.

The phrase "By the tits of Holy Agnes," used in the book, reflects the colorful and expressive language of the time. It emphasizes the intensity of emotions and the often irreverent attitudes towards religion and authority, which are prevalent among the characters. This vibrant dialogue contributes to the novel's rich historical setting and character development.