The Sorcerer’s Companion: A Guide to the Magical World of Harry Potter (with Elizabeth Kronzek), Broadway Books, 2001

The Summer of Love: the Making of Sgt. Peper, by Sir George Martin and William Pearson, Genesis Publications, 2007

The Summer of Love: The Making of Sgt. Pepper (with William Pearson), Genesis Books, 2007

The Rock and Roll Movie Encyclopedia of the 1950s, McFarland & Co., 1990, 2001

The Rolling Stones, Lucent Books, 1999

The Orioles Encyclopedia: A Half Century of History and Highlights, The Johns Hopkins University Press, 2009

The Poet in Exile: A Journey Into the Mystic, Thunder’s Mouth Press, 2001

The Lystons: A Story of One Baltimore Family and Our National Pastime

The Magic of Christmas Miracles: An All-New Collection Of Inspiring True Stories, William Morrow & Co., 1998

The Magic of Christmas Miracles: An All-New Collection of Inspiring True Stories, William Morrow, 1998