diff --git a/free-programming-books.md b/free-programming-books.md
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@@ -822,6 +822,7 @@
 * [Erlang Handbook](https://github.com/esl/erlang-handbook/raw/master/output/ErlangHandbook.pdf) (PDF)
 * [Études for Erlang](http://chimera.labs.oreilly.com/books/1234000000726/index.html) - J. David Eisenberg
 * [Learn You Some Erlang For Great Good](http://learnyousomeerlang.com/) - Frederic Trottier-Hebert
+* [Stuff Goes Bad: Erlang in Anger](https://s3.amazonaws.com/erlang-in-anger/text.v1.0.0.pdf) - Fred Herbert (PDF)
 
 
 ### F Sharp