Peter K. Steinbergis the author of the "Introduction" to the 2010 CD The Spoken Word: Sylvia Plath (British Library Publishing) and the 2004 biography Sylvia Plath (Chelsea House). He has authored and co-authored numerous articles on Sylvia Plath in Plath Profiles, as well as in Fine Books & Collections and Notes & Queries. He maintains the most consistently updated website on Sylvia Plath, "A Celebration, This is" (http://www.sylviaplath.info), as well as the Sylvia Plath Info Blog (http://sylviaplathinfo.blogspot.com). He holds a Masters of Library and Information Science with a concentration in Archives from Simmons College, in Boston, Massachusetts.