Errata is a must-read,
Verifizierter Kauf(Was ist das?)
Rezension bezieht sich auf: Programming in Haskell (Taschenbuch)
All in all a good book. If you really do the exercises you will be able to get into Haskell. Just reading the book is not enough.
On page 77 I was bitten by an error: the parser as defined in the book will not work with "do" notation, because it is not a Monad. For a newbie a faulty explanation about Monads and "do" nation is not funny.
The errata is a must-read: