Basics of Haskell
This note describes the basics of Haskell including installation and variables and gradually progressing to more advanced concepts such as monads, type classes, performance, and specialized tasks like graphical user interfaces and working with databases. The document also includes information on libraries, testing, packaging, and the Foreign Function Interface.
Author(s): en.wikibooks.org
683 Pages 
Introduction to Programming in Haskell
This book covers topics on basic types, compilers vs. interpreters, functions, pattern matching, list manipulation, polymorphism, sorting algorithms, user-defined datatypes, abstract datatypes, tree traversals, input or output, and memoization, introduction to programming concepts, algorithms, and data structures. They also touch on arrays, priority queues, heaps, and dynamic programming.
Author(s): Madhavan Mukund
128 Pages
A Gentle Introduction to Haskell 98 Yale
The PDF covers the following topics related to Haskell Programming : Introduction, Values, Types, and Other Goodies, Functions, Case Expressions and Pattern Matching, Type Classes and Overloading, Types, Again, Input/Output, Standard Haskell Classes, About Monads, Numbers, Modules, Arrays.
Author(s): Paul Hudak, John Peterson, Joseph Fasel, Department of Computer Science, Yale University, University of California
64 Pages
