What is the main holy book in islam

- What is the holy book in islam
- What is the holy book in islam called
- What is the first holy book in islam
- What is islam's holy book name
- What is the most holy book in islam
- What is the holy book in the islamic faith
- What is the most important holy book in islam
- What is the holy book used in islam
- What is the origin of islam
- What is the purpose of islam
- What is islam topic