Frederick Klaeber's Beowulf has long been the standard edition for study by students and advanced scholars alike. Its wide-ranging coverage of scholarship, its comprehensive philological aids, and its exceptionally thorough notes and glossary have ensured its continued use in spite of the fact that the book has remained largely unaltered since 1936. The fourth edition has been prepared with the aim of updating the scholarship while preserving the aspects of Klaeber's work that have made it useful to students of literature, linguists, historians, folklorists, manuscript...