David Guenther 's Books
A very well recieved series by David Guenther are the books, featuring tropes. The most popular books are Zombie Airman, Gray Panthers: Battle for Earth, Gray Panthers: Dixie, Gray Panthers Captain Short Blade, Gray Panthers: Earths Revenge, which was published in 2022.
Zombie Airman
Gray Panthers: Battle for Earth
Gray Panthers: Dixie
Gray Panthers Captain Short Blade
Gray Panthers: Earths Revenge