I have a different take about the books. Worthwhile technical books have not been published since about 2000. Technical publishing died in the dot-bomb. The number of new technical books I bought prior to about 2005 was staggering. The number of new technical books I bought in the past 5 years borders on zero. First, the web killed a bunch of technology publishing. Buying "new" technical books rarely makes sense as t…
I have been (and still am) an advisor to Pearson, which now includes Addison-Wesley and Prentice-Hall, ran a book series on "Innovative Technology", solicited authors, and helped get important books published. Outstanding technical books are few and far between these days. Hank Warren's Hackers Delight is one worth reading as will be the forthcoming The Programming Language Go.
There has been a corresponding erosion of the content as the number of books has decreased. In the old days, books were a primary mechanism for sharing knowledge. Today, rather than consulting a integrated linear presentation of technical material in a single (nearly) comprehensive volume, technical information is burried in papers which hide principles with details and confuse matters with non-standard terminology. It is not only the technical literature that has been degraded. Business books have become the equivalent of brain-dead landing pages where a single simple idea is presented in a verbose and focused narrative style.