[dpeck]

Joe Armstrong, one of the creators of Erlang, thesis http://erlang.org/download/armstrong_thesis_2003.pdf

It’s very readable.

[eddd]

It is a good read, but for someone who already understands problems erlang solves - it is not for beginner.

[dpeck]

definitely, and something well discussed in the erlang community over the years. The problem it solves aren't ones that most people realize are there until you've built things and encountered them.