books.google.es - This easy-to-use, fast-moving tutorial introduces you to functional programming with Haskell. You'll learn how to use Haskell in a variety of practical ways, from short scripts to large and demanding applications. Real World Haskell takes you through the basics of functional programming at a brisk pace,...http://books.google.es/books/about/Real_World_Haskell.html?hl=es&id=nh0okI1a1sQC&utm_source=gb-gplus-shareReal World Haskell
