Vedas are the oldest scriptures of Hinduism in Vedic Sanskrit. The word Veda means knowledge. Veda doesnot have single author. Vedas are considered to revealed by sages after meditation. They were recited and transferred through generations. Vedic knowledge is considered to be Infinite. It has no beginning or end. Vedas contain mantras and also texts on various rituals, ceremonies, sacrifices. They also discuss the philosophy of life and methods to attain spiritual knowledge.
There are four Vedas
The Atharva veda.