[Haskell-beginners] Understanding category theory

[Arlen Cuss]

On 30/06/2011 10:26 AM, Christopher Howard wrote:
> Would anyone recommend a particular book or tutorial to help me
> understand category theory? I've tried reading a few tutorials i've
> googled, but even the "beginner" ones are very difficult and seem to
> assume a lot.

I've just started reading this, found on /r/haskell on Reddit:

http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.78.7317&rep=rep1&type=pdf

It's quite readable, may require a little effort though!