It's useful to know about the general [Haskell wiki](https://wiki.haskell.org) (not restricted to just GHC). They have a [Getting Started](https://wiki.haskell.org/Haskell_in_5_steps) page, which also recommends that you install the Haskell Platform.


That page recommends:

Real World Haskell http://book.realworldhaskell.org
Haskell in 10 minutes ??
Yet Another Haskell Tutorial http://darcs.haskell.org/yaht/yaht.pdf
A Gentle Introduction to Haskell http://www.haskell.org/tutorial/
Learn You a Haskell for Great Good! http://learnyouahaskell.com/

Complete list of textbooks, refs and tutorials ??