De Simone Company Booksellers is enjoying its second opening as a book company after a seventeen-year hiatus.  Originally established in 1978, De Simone Company bought, sold, and evaluated rare books, manuscripts, and prints for twenty-two years before closing, when its owner, Daniel De Simone accepted the position as Curator of the Lessing J. Rosenwald Collection at the Library of Congress.    He held this position for fourteen years before moving to the Folger Shakespeare Library as the Eric Weinnman Librarian of the Central Library.  In this position he was one of seven Senior Directors who managed the operations of the Folger and was responsible for nearly forty percent of its staff.  As Librarian he managed seven departments, including acquisitions, exhibitions, conservation, reader’s services and the Library’s book, manuscript, and art collections.  He held this position for three years before retiring in 2017.

After about a year of planning, De Simone Company was reincorporated and readmitted into membership of the ABAA (Antiquarian Booksellers Association of America) and the in ILAB (International League of Antiquarian Booksellers).  The business focuses on early Italian books and manuscripts as well rare books in all many fields and languages.  A particular interest are books and manuscripts printed in or about the history of Ferrara, Italy. 

Because of his experience in both the book trade and rare book librarianship, Daniel De Simone also consults with institutions about library matters pertaining with collections development and evaluation.  He is a member of the Print Council of America, the Grolier Club, the Association Internationale de Bibliophilie, the American Printing History Association, the Bibliographical Society of America and is Secretary of the Antiquarian Book Seminar Foundation.  He is the author and editor of a number of books and articles book illustration and bibliography.