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Continue to ChatSpray a book with insect spray, drop it in a bag, add some mothballs and seal it. Put it in another bag and seal it. Another. The packages piled up on the floor, each a book sealed in four plastic envelopes. - Larry Niven from https://whatsmyquote.com/quote/spray-a-book-with-insect-spray-drop-it-in-a-bag-add-some-mothballs-and-seal-it-put-it-in-another-bag-and-seal