While it's definitely aimed at librarians (and more specifically, catalogers who want to do small, manageable database cleanup projects), I think it can have some interest for anyone who works with the written word on a regular basis.
(If nothing else, just laugh at the humor, soak up the historical tidbits, and get better acquainted with common misspellings that that may affect retrieval when using any search engine or may plague even the most spell-checked fanfic.)
Feudalism: Serf & Turf