This useful and insightful volume aims to illustrate, espouse, and renew the discipline of doctrinal theology, particularly asexemplified historically by Martin Luther and his theologicalreflection on the Trinity. The authors, steeped both in Luther's works and in the doctrinaltradition, show how dogmatics in the Lutheran tradition entailsa delicate juxtaposition of credal commitment, scripturalinterpretation, and doctrinal elaboration. Their respective chaptersretrieve surprising historical insights about Luther's own practiceof doctrinal theology, the interaction of the credal and doctrinaldimensions with a nuanced hermeneutic of scripture, and thefuture shape of a doctrinal theology genuinely responsive to thegospel and the present age.