I agree with this. Causality doesn't have much in the way of advanced math or statistics, but there is a fairly large volume of material to go through, which is

I agree with this. Causality doesn't have much in the way of advanced math or statistics, but there is a fairly large volume of material to go through, which is its own challenge. A lightweight introduction to Pearl's ideas is the epilog of his book, which is also his Turing award lecture. Here's a pdf scan, there's also video of him giving this lecture up on the internet if you prefer: http://bayes.cs.ucla.edu/BOOK-2K/causality2-epilogue.pdf http://bayes.cs.ucla.edu/BOOK-2K/causality2-epilogue.pdf