Slightly Less Beloved Classics takes a second look at the lesser-known works of celebrated authors. Here we shall decide what is to remain by the wayside and what is to be led gaily back home, lauded with timbrels and trumpets and fatted calves. This first installment concerns English novelist Stella Gibbons and the insufficiently famous Nightingale Wood.  Stella Gibbons, if she is remembered now at all, is best known for the admittedly delightful Cold Comfort Farm (later made…