Worldwide, Sedge is credited in more than 4,000 articles, several audio tape scripts, children's plays, some 30 books, and four television documentaries. His topics often cover expatriate affairs, United States and NATO military, archaeology, the London theater beat, the business of freelance writing, and Italy. In June 1998, Sedge was hired as the special assignment writer for the Alexandria, Egypt production of the Discovery Channel's "Cleopatra's Palace". The project entailed a book and a documentary about the rediscovery of her palace on the island of Antirhodos. In 2003, Sedge was a contributing editor to the "Armed Forces Journal International," publishing such features as "Not-So-Friendly Fire War in Iraq Shows Fratricide Remains an Enduring Problem". It was a report on casualties of friendly fire during the U.S. led war in Iraq, including causes of friendly fire incidents and technical solutions to the problem.