Robert Gleason, author of End of Days, has worked for 40 years in the New York book industry, where he has published many scientists, politicians and military experts. He starred in and hosted a two-hour History Channel special, largely devoted to nuclear terrorism and has discussed the subject on many national TV/radio talk shows, including Sean Hannity’s and Lou Dobbs’s TV shows and George Noory’s Coast to Coast AM. He has also spoken on nuclear terrorism at major universities, including Harvard.