Sunthorn Phu wrote countless pieces of verse and prose. Two of his best- known sagas are Phra Abhai Mani and Singha Kraipob, and some of his most famous poems include Nirat Muang Klaeng, Nirat Phukaothong and Nirat i-Nao. considering his valuable contributions to education, language and literature, Sunthorn Phu was declared a world poet by UNESCO in 1986