Question: The Vercelli Book is one of the oldest of the Old English Poetic Codices, one of the others being the Junius manuscript, is one of the how many major codices of Old English literature? 
Sentence (from "Vercelli Homilies"): In keeping with the origins of the Vercelli manuscript in general, little is known about the exact authorship of the Vercelli homilies.
Relevant evidence: No