100 Greatest American Stamps, by Janet Klug and Donald J. Sundman, with a foreword by William H. Gross, offers a richly illustrated journey through the most important and beloved stamps ever issued in the United States. More than a price guide or photo...

The Collector’s Guide to Postage & Fractional Currency: The Pocket Change of the Union by Robert J. Kravitz earned the 2004 Literary Award from the Professional Currency Dealers Association and quickly became a must-have reference for...

Celebrating America’s 250th Anniversary of the signing of the Declaration of Independence, the 2026 edition of the H.E. Harris United States Postage Stamp Catalog & Price Guide arrives in an all-new, lay-flat Swiss-bound hardcover format for...