The black-oak library was a cross-looking room, dingy, lowering, and altogether boggy.
Over these he built a little tepee of tiny, dry, black-oak twigs.
Next thing I knowed I wuz wakin' up at the foot of a black-oak.
How else could he have invented any happy thing in the black-oak library?
I then asked permission to put it on the top of a black-oak tree near the house.