Holy books are sacred texts that hold significant spiritual and moral teachings for various religions. They often contain stories, laws, prayers, and guidelines for followers, helping them understand their faith and live according to its principles. Examples of holy books include the Bible for Christians, the Quran for Muslims, and the Vedas for Hindus. These texts are often considered divinely inspired and are used in worship, study, and personal reflection. They play a crucial role in shaping the beliefs and practices of their respective communities, providing a foundation for religious identity and cultural heritage.