In “Erthe Upon Erthe,” Harleian presents a captivating exploration of the metaphysical and moral dimensions of the human experience through the lens of Middle English poetry. This poem intricately weaves together allegorical figures and vivid imagery, encapsulating themes of mortality, nature, and divine justice in a style that reflects the period's fascination with both didacticism and the unembellished realities of life. Its unique structure and rhythmic quality evoke a sense of the moral gravity of its subject matter while simultaneously engaging the reader with its lyrical beauty, grounding the poem within the rich tapestry of 14th-century English literature. Harleian, a significant figure in the medieval literary canon, serves as both a chronicler and critic of the societal and theological currents of his time. His works reflect a profound understanding of the period's schisms and uncertainties, influenced by the prevailing Christian doctrines and the burgeoning humanist ideals. This poem, like much of his oeuvre, is informed by his sharp perception of the human condition and the ecological context of the world, encouraging readers to reflect on the relationship between humanity and the earth. I highly recommend “Erthe Upon Erthe” to anyone interested in the intersections of nature, spirituality, and humanity in medieval literature. Harleian's profound insights serve not only as a mirror to the past but resonate with contemporary ecological concerns, making it an essential read for scholars and literary enthusiasts alike.