Books
The Prose of Sylvia Plath. Edited by Peter K. Steinberg. London: Faber and Faber, 2023.
The Collected Writings of Assia Wevill. Edited by Julie Goodspeed-Chadwick and Peter K. Steinberg. Baton Rouge: LSU Press, 2021.
The Letters of Sylvia Plath: Volume 2: 1956-1963. Edited by Peter K. Steinberg and Karen V. Kukil. London: Faber, 2019 (paperback).
The Letters of Sylvia Plath: Volume 1: 1940-1956. Edited by Peter K. Steinberg and Karen V. Kukil. London: Faber, 2019 (paperback).
The Letters of Sylvia Plath: Volume 2: 1956-1963. Edited by Peter K. Steinberg and Karen V. Kukil. London: Faber; New York: HarperCollins, 2018.
The Letters of Sylvia Plath: Volume 1: 1940-1956. Edited by Peter K. Steinberg and Karen V. Kukil. London: Faber; New York: HarperCollins, 2017.
These Ghostly Archives: The Unearthing of Sylvia Plath. Gail Crowther and Peter K. Steinberg. Stroud, Eng.: Fonthill Media, 2017.
Sylvia Plath. Great Writers series. Philadelphia: Chelsea House, 2004.
Introductions and Forewords
"Foreword." Breaking Down Plath. Patricia Grisafi. Hoboken, N.J.: Jossey-Bass, 2022.
"Introduction." Sylvia Plath in Devon: A Year's Turning. Elizabeth Sigmund and Gail Crowther. Stroud, Eng.: Fonthill Media, 2014.
"Introduction." The Spoken Word: Sylvia Plath. London: The British Library, 2010.
Textual Variations in The Bell Jar Publications (2012)
These Ghostly Archives 4: Looking for New England (with Gail Crowther) (2012)
These Ghostly Archives 3 (with Gail Crowther) (2011)
A Perfectly Beautiful Time: Sylvia Plath at Camp Helen Storrow (2011)
This is a Celebration: A Festschrift for The Unabridged Journals of Sylvia Plath (2010)
"They Had to Call and Call": The Search for Sylvia Plath (2010)
These Ghostly Archives, Redux (with Gail Crowther) (2010)
These Ghostly Archives (with Gail Crowther) (2009)
"I Should Be Loving This": Sylvia Plath's "The Perfect Place" and The Bell Jar (2008)