Very good. It won't change your life, but it does make emphasis that we Baptists fail at times to make. It points us to the Scriptures and encourages us to use our mental faculties rather than accepting wholesale what others have said.
Says Who? asks that question, not to be disrespectful, but rather to place the authority where it belongs, in God. He addresses a few common beliefs, thought processes, and sayings and compares them to what the Bible actually teaches. You may not be dramatically affected by the teachings specifically, but I think, like me, you will start to think more seriously about blindly accepting things as true without checking them out yourself.