Students in Professor Ian Marshall’s Creative Writing and the Natural World class present their 18-verse half-renga poems. The art of haiku grew out of the ancient form of renga, which is a series of linked verses composed by a group of poets. Credit: Penn State Expand Students in Professor Ian Marshall’s Creative Writing and the Natural World class present their 18-verse half-renga poems. The art of haiku grew out of the ancient form of renga, which is a series of linked verses composed by a group of poets. Credit: Penn State Expand Students in Professor Ian Marshall’s Creative Writing and the Natural World class present their 18-verse half-renga poems. The art of haiku grew out of the ancient form of renga, which is a series of linked verses composed by a group of poets. Credit: Penn State Expand