In "The Square of Sevens: An Authoritative Method of Cartomancy with a Prefatory Note," Edward Prime-Stevenson presents a meticulously crafted exploration into the art of cartomancy, a form of divination through cards. The work integrates a blend of analytical rigor and poetic prose, situating cartomancy within both historical and mystical contexts. Prime-Stevenson's approach is not merely instructional; he reflects on the psychological dimensions of reading cards and their significance in personal introspection. The book's literary style harmonizes precision with lyrical insights, making it accessible to both practitioners and scholars of divination alike. Edward Prime-Stevenson was a notable figure of the late 19th and early 20th centuries, known for his contributions to literature and queer studies. His interest in cartomancy likely rose from a broader curiosity about alternative belief systems and their intersection with modern identity. Living in a time when traditional norms were being challenged, Prime-Stevenson's exploration of cartomancy serves as a reflection of a searching spirit, one that sought to uncover deeper truths through esoteric means. This book is recommended for anyone intrigued by the mystique of cards and their interpretations. Scholars of occult practices, free thinkers, and those curious about psychological insights will find invaluable guidance and inspiration within its pages. "The Square of Sevens" not only legitimizes cartomancy as an art form but also enriches the reader's understanding of their own emotional landscapes.