Peter K. Steinberg is the author of the "Introduction" the 2010 CD The Spoken Word: Sylvia Plath (British Library Publishing), the 2004 biography Sylvia Plath (Chelsea House), and numerous articles on Plath. He maintains the website http://www.sylviaplath.info/index2.html and the blog http://sylviaplathinfo.blogspot.com. He holds a Masters of Library and Information Science from Simmons College.