"Periya Puranam" (Tamil:பெரிய‌ புராண‌ம்), the "great purana" or epic, sometimes also called "Tiruttontarpuranam" (read as "Tiru-Thondar-Puranam") (the purana of the holy devotees) is a Tamil poetic mythistory depicting the legendary lives of the sixty-three Nayanars, the canonical poets of Tamil Shaivism. It was compiled during the 12th century by Sekkizhar. It provides evidence of trade with West Asia. Sekkizhar compiled and wrote the "Periya Puranam" listing the life stories of the sixty-three Shaiva Nayanars, poets of the God Shiva who composed the liturgical poems of the Tirumurai, and was later himself canonised and the work became part of the sacred canon. Sekkizhar was a poet and the chief minister in the court of the Chola King, Kulothunga Chola II.