This book investigates the nature and origins of the hypothetical Q document, a proposed source for the Gospels of Matthew and Luke. Kloppenborg, a leading scholar in the field, examines the scholarly debate surrounding Q, presenting his own detailed analysis of the textual evidence and historical context. The work aims to reconstruct the likely content and theological perspective of Q, offering a significant contribution to New Testament scholarship.

The scholarly reception of Kloppenborg's work on Q has been significant, with many scholars acknowledging its rigorous methodology and comprehensive scope. The book is recognized for its detailed textual analysis and its contribution to the ongoing academic conversation about the Synoptic Gospels and their sources. It is considered an important resource for those studying the historical Jesus and the formation of the early Christian tradition.