I liked /Rapid Development/ too. It misses out on things like the Unix philosophy and worse-is-better, which are sort of previous incarnations of the agile/lean stuff that is very popular today. I would assume the author just hadn't had much exposure to those ideas so they weren't even considered for inclusion. (Besides, they tend to not be researched so actively because they don't leave as many paper trails.) Other than that gripe, though, I learned a lot from it!
Rapid Development
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