Titles by Charles E. Gannon marked with tag: aliens
- 2018 - Oblivion with Steve White
- 2017 - Caine's Mutiny
- 2014 - Trial by Fire
- 2013 - Fire with Fire
- 2012 - Man-Kzin Wars XIII with David Bartell and Hal Colebatch and Alex Hernandez and Jane Lindskold and Larry Niven