For a quick and general purpose introduction on Causality, the Epilogue of a former book of Pearl is great : &quot;The Art and Science of Cause and Effect&quot; <a href="http:&#x2F;&#x2F;bayes.cs.ucla.edu&#x2F;BOOK-2K&#x2F;causality2-epilogue.pdf" rel="nofollow">http:&#x2F;&#x2F;bayes.cs.ucla.edu&#x2F;BOOK-2K&#x2F;causality2-epilogue.pdf</a>