“40 Questions about the Trinity” by R. Lucas Stamps and Matthew Y. Emerson is a comprehensive book exploring the fundamental topic of the Christian doctrine of the Trinity. Published by Kregel Publications in 2025, this trade paperback book delves into the complexities of Christian Theology and provides insights into the concepts of Christology, Systematic Theology, and Pneumatology. With 288 pages, this book is a valuable resource for individuals seeking to deepen their understanding of Orthodox Christianity and its teachings on the Trinity.