a book
... that Saint Boniface allegedly used a book to ward off Frisian sword blows at his martyrdom in 754 ?
... that <a href="./Saint_Boniface" id="mwBSk" rel="mw:WikiLink" title="Saint Boniface">Saint Boniface</a> allegedly used <b id="mwBSo"><a href="./Ragyndrudis_Codex" id="mwBSs" rel="mw:WikiLink" title="Ragyndrudis Codex">a book</a></b> to ward off Frisian sword blows at his martyrdom in 754 <i id="mwBSw">(pictured)</i>?