Manichaean scripture
The Book of Pictures is an important book in Manichaeism that shows the idea of light and dark. Mani made the book himself to help people who couldn't read understand his religion. He believed that his religion was better than other religions because it had a book with pictures to explain it, unlike other religions that only had written teachings. The Book of Pictures was second only in importance to the Seven Treatises in Manichaeism. In the Parthian language, the book is called "Ādrhang."