I'm bouncing between that book and "The Haskell School of Expression"( http://www.haskell.org/soe/ ). The second seems to be better at describing data structures and building the language in your mind while the first is more of a reference of useful ideas.
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FROM THE SHARED SHELF · 2006–2026 SAMPLE
The Haskell School of Expression
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Keep it on your reading list
THE WORD OF MOUTH
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