Examinations of the date of Beowulf have tremendous significance for Anglo-Saxon culture in general. This book will be a milestone, and deserves to be widely read. The early Beowulf that overwhelmingly emerges here asks hard questions, and the same strictly defined measures of metre, spelling, onomastics, semantics, genealogy, and historicity all cry out to be tested further and applied more broadly to the whole corpus of Old English verse...