For more in depth: https://haskellbook.com/ https://haskellbook.com/ I bought this years ago and it is ~1200 pages and very through. A ~600 page paper version

For more in depth: https://haskellbook.com/ https://haskellbook.com/ I bought this years ago and it is ~1200 pages and very through. A ~600 page paper version is coming out soon also.