In addition to "The Golden Gate," Seth has written other works of poetry including "Mappings" (1980), "The Humble Administrator's Garden" (1985), "All You Who Sleep Tonight" (1990) and "Three Chinese Poets" (1992). His children's book, "Beastly Tales from Here and There" (1992) consists of 10 stories about animals. He has written a travel book, "From Heaven Lake: Travels through Sinkiang and Tibet" (1983), an account of a journey through Tibet, China and Nepal. He was also commissioned by the English National Opera to write a libretto based on the Greek legend of Arion and the Dolphin. The opera was performed for the first time in June 1994.