This book contains a historical and critical study of revival of religions including Islam. The purpose of its publication is not to offend or misrepresent the followers of any religion, but to encourage individual opinion and to establish a healthy academic discourse. But we must not forget that it is the right of every individual to have a different opinion from the prevailing interpretations on any subject. Disagreement is the law of nature. The expression of disagreement is always in the form of criticism, the purpose of which is to start the study of a subject from a different and contradictory point of view. Ideas contribute to the building of society. We do not consider any of the articles included in this issue to be final, so readers' dissenting opinions are also welcome.