Here you can find any updates that aren't in the current edition of the book. Once any revised editions exist, I'll also include here the information about which is the latest edition.
These are bits I either deleted entirely or reworked substantially. Caution: deleted or altered versions are likely to be more political.
Available as a PDF.
Here are links to some recent guest blog posts.
Here are excerpts from, and links to, some recent reviews.
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