From my experience with an extensive collection:Notable issues:
1) The orientation of the books matters.
2) The quality of the storage location, in terms of humidity and temperature matters, and in terms of exposure to pests.
3) Stacking matters.
For (1), if the books are oriented badly, the pages can shift out of the bindings, especially if the temperature gets high.
For (2), cool and dry is preferred. High humidity and high temperatures are very bad for the books. Pests will, if allowed, infiltrate the books, damaging them.
For (3), there definitely a limit as to stacking heights. Both the cardboard and the plastic containers have a limit, which is no more than about 3 high, and I wouldn't recommend even that. Plastic holds up a little better, but lids tend to crack. Cardboard tends to crush. Any stress on the books themselves will, over time, cause damage.
Thx!
TomB
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