It doesn't matter if I'm only to be gone four days, as in this case; I take six months' supply of reading material everywhere. Anyone who needs further explication of this eccentricity can find it use...
Some people read for instruction, which is praiseworthy, and some for pleasure, which is innocent, but not a few read from habit, and I suppose that is neither innocent nor praiseworthy. Of that lamen...
(n.) A mania for acquiring books.