As always, Olyott offers a wonderful example of writing about doctrine clearly, humbly, and devotionally. The aim of the whole book is to lead us to worship the triune God, and it's definitely successful in that aim. Overall, this would be a good introduction to the topic, especially the opening chapters, and the closing thoughts on historical errors and application. I found the discussions of specific issues, like eternal generation and procession, less satisfying, and I would take issue with Olyott on some issues (e.g. "Prayer to God is not to be addressed to the Lord Jesus Christ, but to the one who is distinct from him—the Father"). But good to have on the shelf for anyone with responsibility for teaching such glorious truths to others.