THE DIDACHE: The Teaching of the Twelve Apostles is a pivotal early Christian document that offers a glimpse into the life, practices, and beliefs of the first Christian communities. This comprehensive book serves as a bridge between the Apostolic Age and the developing Christian Church of the second century, providing profound insights into the ethical, doctrinal, and liturgical norms of early Christianity. Through meticulous analysis and commentary, the book explores the Didache's guidance on living a virtuous life, instructions on baptism, prayer, fasting, and the Eucharist, as well as its teachings on leadership within the Church. The book begins with an in-depth introduction and a scholarly examination of the Didache's dating, utilizing linguistic and theological evidence to situate the text within the early second century. It delves into the significance of the Didache's language, comparing it with the Koine Greek of the New Testament and other contemporary Christian writings to shed light on its origins and audience. The theological content is thoroughly analyzed to highlight the Didache's biblical alignment and its reflection of early Christian beliefs and practices. Special attention is given to the role of prophets in the early Church, the influence of Johannine writings, and the archaeological and patristic evidence supporting the Didache's historical context. The book navigates the complex manuscript history of the Didache, tracing its textual witnesses and exploring its transmission through various translations and documents. Each chapter of the Didache is meticulously explored through exegetical commentary, offering readers a deeper understanding of its teachings on the Two Paths of life and death, the importance of love and righteousness, guidance on living a virtuous life, and the early Church's approach to hospitality, work, and community support. The book also addresses the challenges of false teachers and apostasy, underscoring the Didache's relevance to contemporary Christian faith and practice. APPENDIX A and B extend the exploration to the broader context of early Christianity, examining the contributions of the Apostolic Fathers, the expansion of the Christian faith, persecutions, heresies, the development of worship practices, and the early Church's structure. This comprehensive study not only illuminates the Didache's historical significance but also its enduring value for understanding the foundations of Christian doctrine and community life.