There has always been a question in the minds of people about the existence of God. All major religions have believed in one god or another. Thus, believing in a supreme being that is omnipotent and omniscience is essential to the existence of mankind. This book tackles the issue of existence of God from a different perspective including starting off with how different people view God. It first categorizes the belief of the major religions into 5 types of religions. Then, it describes the concept of God for world's several major religions including Hinduism, Sikhism, Judaism, and others. The book ends with a detailed analysis of concept of God in Islam and how it perfects the concept of God.