BY KEN RAYMOND Book Editor kraymond@oklahoman.com“The Age of Treachery” by Gavin Scott (Titan, 352 pages, in stores) On a dark night in 1946 at one of the colleges of Oxford University, several teachers of Ancient History gather to listen to a recitation of “Voluspa,” a significant Old Norse poem. Four readers are up in something like a choir loft, their faces indistinct.Read more on NewsOK.com