http://knopf.knopfdoubleday.com/2010/02/23/the-essential-engineer-by-henry-petroski/ Knopf Doubleday Wed, 16 May 2012 19:08:01 -0400 http://wordpress.org/?v=2.8.5.2 hourly 1 http://knopf.knopfdoubleday.com/2010/02/23/the-essential-engineer-by-henry-petroski/comment-page-1/#comment-40232 James P. Holm, P.E., (Retired) Tue, 31 Aug 2010 19:59:26 +0000 http://knopfdoubleday.com/?p=8121#comment-40232 Mentioned and linked your excellent book on my web site. Mentioned and linked your excellent book on my web site.

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