^^ Seconding the bookstore suggestion because books are so heavy that the boxes they're shipped in are extra sturdy. Even more of a bonus for you!
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"I believe you find life such a problem because you think there are the good people and the bad people," said the man. "You're wrong, of course. There are, always and only, the bad people, but some of them are on opposite sides."
-- Terry Pratchett, Guards! Guards!