Crohn's & Colitis Corner, Healthline.com, 2011-present. A twice-weekly column for patient education and support.

Colitiscope: Living with Crohn's Disease and Ulcerative Colitis, Pfeifer-Hamilton, 2009. A humorous book for IBD patients and their families, friends & caretakers

A Million Visions of Peace, Pfeifer-Hamilton / Scholastic, 1994 / 2002. Published as a follow-up to the Old Turtle Peace Tour, which visited more than 150 communities across the United States, the peace messages printed in this colorful book were chosen from hundreds of thousands gathered during the tour.