Legion of Time
In The Legion of Time, Dennis Lanning becomes embroiled in a temporal conflict between two potential future civilizations: the utopian Jonbar and the dystopian Gyronchi. Recruited into the Legion of Time--a group of warriors assembled from various historical periods--Lanning embarks on a mission aboard the time-traveling ship Chronion to influence pivotal events in the past. Their goal is to ensure the emergence of the more favorable future, Jonbar, by preventing the rise of Gyronchi.