This volume investigates the linguistic, historical, and textual complexities of the Middle English poem 'Of Arthour and of Merlin' to provide a comprehensive scholarly framework for its interpretation. O. D. Macrae-Gibson, a recognized scholar in Middle English studies, utilizes a rigorous philological approach to analyze the poem's manuscript tradition and its place within the broader Arthurian cycle. The text serves as a critical apparatus, offering the necessary context for readers to engage with the primary source material through detailed annotations and linguistic analysis.

Scholars and students of medieval literature frequently cite this volume as a foundational reference for studying the 'Of Arthour and of Merlin' manuscript. Experts highlight the academic density of the prose and the precision of the glossary as essential tools for navigating the complexities of Middle English verse.