What book are you using to reflect on the wonders of God?

Are you like me, wondering what's the next best supplementary book, workbooks that are practical in meeting our devotional needs as a  family, especially material that small children? This is a question that not only applies to us as mothers, families, but what materials have you also found to be effective in applying the Gospel on an everyday basis with your children? Well please weight in on what you are using here.