What is the holy book of Buddhists that start with the letter P?

The holy book of Buddhists that starts with the letter "P" is the "Pali Canon," also known as the Tipitaka. It is a collection of scriptures that form the doctrinal foundation of Theravada Buddhism, encompassing teachings of the Buddha, monastic rules, and philosophical discourses. The Pali Canon is written in the Pali language and is divided into three "baskets" (pitaka): the Vinaya Pitaka, the Sutta Pitaka, and the Abhidhamma Pitaka.