Who would’ve thought a book lover’s dream existed in rural Virginia, just up the road from a Buc-ee’s? Certainly not me, so when my dad told me we’d be stopping at a bookstore on our road trip to the Smokies, I was a little hesitant about what we’d find. Reinforcing my doubts was a small sign that read, “Green Valley Book Fair and Auction,” followed by the sight of two farm-style…