This third volume of Hayatul Qulub shifts focus to the doctrine of Imamate and the divinely appointed leaders after Prophet Muhammad (PBUH). The book outlines the responsibilities, virtues, and trials faced by each of the Twelve Imams, emphasizing their essential role in upholding justice, preserving Islamic teachings, and guiding the Muslim ummah. It addresses key events, contributions, and sacrifices of the Imams, highlighting their unwavering dedication to truth and leadership in the face of oppression. This volume offers readers an understanding of the importance of divine leadership in Shia Islam.