The Hollow Reed Author:Mary J. J. Wrinn Learn how to write different types of poetry and how to create the effect you want in a poem. Poems are offered as examples in learning about rhythm and meter, rhyme, the couplet, quatrain, tercet, cinquain, object poems, triolet, rondel, villanelle, rondeau, roundel, ballade, sonnet and blank verse, mood, creating emotional effects and more.