It is pricey, but it is also very good. The content is quite up-to-date (e.g. covers Foldable/Traversable, teaches the Functor-Applicative-Monad progression) an

It is pricey, but it is also very good. The content is quite up-to-date (e.g. covers Foldable/Traversable, teaches the Functor-Applicative-Monad progression) and working through the exercises made a lot of things click that I didn't understand before.