This volume investigates the linguistic and narrative nuances of the Old English epic Beowulf through the lens of J.R.R. Tolkien’s scholarly translation and his creative interpretation of the underlying folklore. Christopher Tolkien, acting as editor, compiles his father's 1926 prose translation alongside extensive commentary that reveals the author's deep engagement with the poem's historical and philological context. The work serves as both a primary text for students of medieval literature and a window into the creative process of a master philologist. By including the original story 'Sellic Spell,' the book demonstrates how Tolkien reconstructed the potential folktale origins of the Beowulf narrative.

The work is regarded as a significant contribution to Tolkien studies, offering a rare look at the intersection of his academic rigor and his imaginative output. The inclusion of the commentary provides a dense, scholarly framework that appeals to both medievalists and enthusiasts of Tolkien's broader literary legacy.