I know Old Church Slavonic has been mentioned (which I plan to get around to eventually-ish), but can anyone recommend a reader on par with Wilson or Sandberg, but for Russian? Or Church Slavonic?
I'm having difficulty finding one. I have some familiarity with the Russian language (and none with Church Slavonic), so reading texts rife with Russian jargon specific to certain disciplines or before the 18th century has proven quite difficult.