What Would Dewey Decimal do...?

(This from Barbara Jane, who makes, at least for my money, a valid point...)

I've been thinking about all these life-after-death books we hear about all the time. For the sake of accuracy (and they are classified non-fiction), shouldn't they be written by a dead person?
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Thanks, BJ.
And...wonder why Dewey Decimal never wrote a book, either before he died, or after?