Spec [1] is one way. You can also find a list of books on the Pharo website [2]. [1] http://files.pharo.org/books/spec-tutorial/ http://files.pharo.org/books/s

Spec [1] is one way. You can also find a list of books on the Pharo website [2]. [1] http://files.pharo.org/books/spec-tutorial/ http://files.pharo.org/books/spec-tutorial/ [2] http://books.pharo.org http://books.pharo.org