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Re:A monoid is a category, a category is a monad, a monad is... by crucialfelix on Sunday April 16, 2017 @05:46PM (#14127714)
I've found Professor Frisby's Mostly Adequate Guide to Functional Programming to be the best on ramp. He builds up the concepts carefully till you are using applicative functors and it's always very practical and applied.

I will probably now re-read Learn You a Haskell and actually write some Haskell.

[1] https://drboolean.gitbooks.io/mostly-adequate-guide/content/

Re:A monoid is a category, a category is a monad, a monad is... by lolive on Monday April 17, 2017 @07:42PM (#14135411)
I cannot agree more. This book is awesome!