A reimagining of the Arthurian legend unfolds in a Britain grappling with both ancient magic and modern sensibilities. The narrative follows Arthur's rise to power, his formation of the Round Table, and his complex relationships, particularly with Merlin and Guinevere. The story explores themes of chivalry, betrayal, and the clash between tradition and progress, all within a world where myth and reality intertwine, presented through a narrative that often employs a wry, anachronistic tone.

Thomas Berger's 'Arthur Rex' offers a distinctive take on the familiar Arthurian legends, often characterized by its anachronistic humor and a modern sensibility applied to ancient tales. Critics have noted Berger's skill in subverting traditional heroic tropes, presenting characters with relatable, albeit anachronistic, concerns. The novel is frequently praised for its inventive prose and its ability to engage readers with a fresh perspective on well-worn mythology. While some may find the blend of historical setting and contemporary dialogue jarring, many appreciate its unique approach to exploring themes of power, love, and destiny.