Have you tried Learn You A Haskell? It's a gentle and humorous introduction to the language, and I rather like it's take on the more important typeclasses. As f

Have you tried Learn You A Haskell? It's a gentle and humorous introduction to the language, and I rather like it's take on the more important typeclasses. As for monads in particular, I think the best introduction is "You Could Have Invented Monads."