Add Philip Greenspun books - Software Engineering for Internet Applications

and SQL for Web Nerds

free-programming-books.md

@@ -258,6 +258,7 @@
 * [NASA Software Measurement Handbook](http://www.scribd.com/doc/7181362/NASA-Software-Measurement-Guidebook)
 * [Don't Just Roll the Dice](http://www.neildavidson.com/dontjustrollthedice.html)
 * [Data-Oriented Design](http://www.dataorienteddesign.com/dodmain/dodmain.html)
+* [Software Engineering for Internet Applications](http://philip.greenspun.com/seia/)
 
 ####Open Source Ecosystem
 * [Data Journalism Handbook](http://datajournalismhandbook.org/)
@@ -1065,6 +1066,7 @@ See also [TeX](#tex)
 * [Developing Time-Oriented Database Applications in SQL](http://www.cs.arizona.edu/people/rts/publications.html)
 * [Use The Index, Luke!: A Guide To SQL Database Performance](http://use-the-index-luke.com/)
 * [Learn SQL The Hard Way](http://sql.learncodethehardway.org/)
+* [SQL For Web Nerds](http://philip.greenspun.com/sql/)
 
 
 ###SQL Server