Testing is one reason I think Everyday Scripting with Ruby is such a great book: while it's for someone with a casual acquaintance with programming, it still ma

Testing is one reason I think Everyday Scripting with Ruby is such a great book: while it's for someone with a casual acquaintance with programming, it still manages to teach TDD with Ruby in a clear, helpful manner that actually helps the reader internalize it such that the knowledge doesn't just evaporate when the book is done.