The Book of Vishanti is a mystical tome in the Marvel Comics universe, primarily associated with the character Doctor Strange. It is known for containing vast knowledge and powerful spells that can aid in the fight against dark forces. The book is often sought after by sorcerers and heroes for its ability to provide guidance and protection. The origins of the Book of Vishanti are linked to the Vishanti, a trio of powerful mystical beings. These beings, consisting of Agamotto, Hoggoth, and Oshtur, are revered in the magical community. The book serves as a source of wisdom and is considered a vital tool for those who practice the mystic arts.