diff --git a/README.md b/README.md
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@@ -268,10 +268,9 @@ Cook tweets as [@ri_cook](https://twitter.com/ri_cook).
 * "new look"
 * first vs second stories
 
-
 ### Selected publications
 
-* [How complex systems fail](https://how.complexsystems.fail/)
+* [How complex systems fail](https://www.adaptivecapacitylabs.com/HowComplexSystemsFail.pdf)
 * [*Where* complex systems fail](https://www.snafucatchers.com/single-post/2017/11/14/void-Incidents-as-Untyped-Pointers)
 * [Distancing through differencing: An obstacle to organizational learning following accidents](https://www.researchgate.net/publication/292504703_Distancing_through_differencing_An_obstacle_to_organizational_learning_following_accidents)
 * [Being bumpable](http://csel.eng.ohio-state.edu/productions/woodscta/media/beingbump.pdf) ([TWRR](https://www.getrevue.co/profile/resilience/issues/resilience-roundup-being-bumpable-issue-33-177340))
diff --git a/intro.md b/intro.md
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@@ -121,7 +121,7 @@ systems should be thought of as encompassing both humans and technologies, as op
 thinking about technological aspects in isolation. 
 
 
-* [How complex systems fail](http://how.complexsystems.fail) by Richard I. Cook is a great starting point. It's a short paper and very easy to read.
+* [How complex systems fail](https://www.adaptivecapacitylabs.com/HowComplexSystemsFail.pdf) by Richard I. Cook is a great starting point. It's a short paper and very easy to read.
 * [Drift into failure](https://www.goodreads.com/book/show/10258783) by Sidney Dekker is a book written for a lay audience, so it is also very readable. Dekker draws heavily from systems thinking to propose a theory about how complex systems can evolve into unsafe states.