Charles O. Hartman has published eight collections of poetry, including Downfall of the Straight Line (Arrowsmith Press, forthcoming 2024), as well as books on jazz and song (Jazz Text, Princeton 1991) and on computer poetry (Virtual Muse, Wesleyan 1996). His Free Verse (Princeton 1981) is still in print (Northwestern 1996), and Verse: An Introduction to Prosody was published by Wiley-Blackwell in 2015. In 2020 he co-edited, with Martha Collins, Pamela Alexander, and Matthew Krajniak, a volume on Wendy Battin for the Unsung Master series. He is Poet in Residence Emeritus at Connecticut College. He plays jazz guitar.