- "Columbia: Gateway to Space":
- "Trail of Tears: The Rise and Fall of the Cherokee Nation"
- "The Columbia Space Shuttle Disaster: Mission STS-107":
- "The Battle of New Orleans":
- "The American Civil War 1861-1865:"
- "The Confederate Ironclad"
Fiction books:
- "Red White & Blue Murder"
- "The First Commandment (A Thriller about the Middle East's Next War"
- "The Tenth Hour:"
Essays:
- American History. (New Book Series in Development-29 titles)
- World History (New Book Series in Development-76 titles)
Articles:
- Seltzer has also contributed multiple articles and essays as featured or guest writer of:
a) “Columbia Magazine,"
b) “Columbia History News Service,"
c) “Air and Space/Smithsonian,"
d) “History.net,"
e) “Military-History”,
f) “American History/ History Channel Magazine