Rostenberg and her decades long friend and business partner Madeleine B. Stern became widely known in the late 1990s while in their late eighties when their memoir on the rare book trade, Old Books, Rare Friends became a best seller.
In addition to many books on book history and book collecting, Rostenberg wrote numerous articles over the years for many publications including Journal of Modern History, American Historical Review, and Library Quarterly.
Books by Leona Rostenberg
- English Publishers in the Graphic Arts, 1599–1700: A Study of the Print-Sellers and Publishers of Engravings, Art and Architectural Manuals, Maps, and Copy-Books, 1963.
- Literary, Political, Scientific, Religious, and Legal Publishing, Printing, and Bookselling in England, 1551–1700: Twelve Studies (two volume set), 1965.
- The Minority Press and the English Crown: A Study in Repression, 1558–1625, 1971.
- An Antiquarian's Credo, 1976.
- Bibliately, 1978.
- The Library of Robert Hooke: The Scientific Book Trade of Restoration England, 1989.
Books co-authored by Leona Rostenberg and Madeleine B. Stern
- Old and Rare: Thirty Years in the Book Business, 1974.
- Between Boards: New Thoughts on Old Books, 1978.
- Bookman's Quintet: Five Catalogues about Books: Bibliography, Printing History, Booksellers, Libraries, Presses, Collectors, 1979.
- Quest Book—Guest Book: A Biblio-Folly, 1993.
- Connections: Ourselves—Our Books, 1994.
- Old Books in the Old World: Reminiscences of Book-buying Abroad, 1996.
- Old Books, Rare Friends: Two Literary Sleuths and Their Shared Passion, 1997.
- New Worlds in Old Books, 1999.
- Books Have Their Fates, 2001.
- Bookends: Two Women, One Enduring Friendship, 2001.
- From Revolution to Revolution: Perspectives on Publishing and Bookselling 1501-2001, 2002.
- Jamieson, Wendell (24 March 2005). "Leona Rostenberg, Who Uncovered Alcott Novels, Dies at 96". New York Times.