On the Khilafah of 'Ali over Abu Bakr: A Dictionary of Sahih Sunni Ahadith serves as a comprehensive resource that explores the various authentic narrations found in Sunni literature concerning the caliphate of Imam Ali ibn Abi Talib (AS) in relation to Abu Bakr. The book meticulously categorizes and presents Sahih Ahadith that discuss the events surrounding the succession of leadership after the Prophet Muhammad (SAW), addressing key arguments and perspectives within Islamic scholarship. Through a systematic compilation, the work aims to clarify historical accounts, highlight the implications of these narrations, and offer a balanced view of the differing perspectives within Sunni and Shia discourses on this critical topic in Islamic history. Readers will find valuable insights into the theological, political, and social dimensions of the early Islamic community, along with a detailed analysis of the nuances involved in the discussion of leadership and authority.