She is the author of Opening Scripture: Bible Reading and Interpretive Authority in Puritan New England (University of Chicago Press, 2003), and has also published articles on George Herbert, Ralph Waldo Emerson, and John Woolman. She is currently working on a book about early Quaker theories of language, and is part of a team of editors preparing Cotton Mather's Biblia Americana for publication. She serves on the editorial board of Early American Literature.