1. Is the doctrine of the Trinity biblical?
2. Does the doctrine of the Trinity make sense?
3. Does the Doctrine of the Trinity make any difference?
Erickson succeeds in answering each question in the affirmative. He unpacks the biblical doctrine and links his answers to the Bible as well as church history. He alerts readers to some of the Trinitarian errors that have emerged throughout church history. And he shows how the Trinity affects the daily life of Christians.
Making Sense of the Trinity is a good introductory resource on a crucial doctrine. The author does not answer every objection. He does not present a series of comprehensive arguments. These matters can be covered in other works. For a more detailed study that concerns the Trinity, see The Holy Trinity by Robert Letham.