add books

Author: plutov

books.md

@@ -7,6 +7,7 @@
 - [The DevOps Handbook](https://www.amazon.com/DevOps-Handbook-World-Class-Reliability-Organizations/dp/1942788002) - Gene Kim, Patrick Debois, John Willis, Jez Humble
 - [Writing An Interpreter In Go](https://interpreterbook.com/) - Thorsten Ball
 - [A Philosophy of Software Design](https://www.amazon.com/Philosophy-Software-Design-John-Ousterhout/dp/1732102201) - John Ousterhout
+- [An Elegant Puzzle: Systems of Eng Management](https://lethain.com/elegant-puzzle/)
 
 ### Non-tech
 

engineering-management.md

@@ -2,6 +2,7 @@
 
 ### Books
 
+- [An Elegant Puzzle: Systems of Eng Management](https://lethain.com/elegant-puzzle/)
 - [Radical Candor](https://www.radicalcandor.com/) - Sheryl Sandberg
 - [The Phoenix Project](https://www.amazon.com/Phoenix-Project-DevOps-Helping-Business-ebook/dp/B078Y98RG8/) -  Gene Kim,  Kevin Behr, George Spafford
 - [https://www.amazon.com/How-Win-Friends-Influence-People/dp/0671027034](https://www.amazon.com/How-Win-Friends-Influence-People/dp/0671027034) - Dale Carnegie

go.md

@@ -43,6 +43,7 @@
 ### Mailing lists
 
 - [Golang Weekly](https://golangweekly.com/)
+- [The Go Gazette](http://www.go-gazette.com/)
 
 ### Fun