"Century of Roundels" by Algernon Charles Swinburne is a collection of verse that showcases the unique roundel form he devised, which consists of nine lines with a specific rhyme scheme and refrains that echo throughout the poem. This poetic structure, influenced by the French rondeau, emphasizes the beauty of repetition and musicality in language, inviting listeners to appreciate the artistry of verse. Swinburne's dedication of these poems to his friend Christina Rossetti highlights the collaborative spirit of the literary community, inspiring others to explore this form. The enduring appeal of these roundels lies in their intricate craftsmanship and the emotional depth they convey, making them a timeless exploration of poetic expression.