This work investigates the historical development and core tenets of mystical traditions across various global cultures and religious frameworks. Margaret Smith, a noted scholar of Islamic and Christian mysticism, utilizes a comparative approach to analyze how individuals seek direct, unmediated experience of the divine. The text provides a structured overview of the practices, ascetic disciplines, and theological foundations that define the mystical path throughout history.

Scholars frequently cite this text as a foundational introduction for those seeking a clear, academic overview of mystical history. Readers often note the clarity of the prose, which manages to distill complex theological concepts into an accessible format for students and general researchers alike.