The recognition of the Imam, mentioned in the traditions is not merely being familiar with his identification; rather it is recognition of his brilliant scientific, practical, ethical, and virtuous personality. The present book's first chapter discusses about the definition of Imamate and privileges of the Imams. The second chapter is about Prophet Muhammad's (sawa) Household, as mentioned in the Holy Quran and the traditions. The third chapter discusses the reasons for Imamate. Finally chapter four introduces the specific reasons for the Imamate of the each one of the Infallible Imams side by side, their virtues, ethical values, knowledge, worship, and moral journey of these selected servants toward the Exalted Allah swt.