The Series of the Omni Legends
Omni Legends is a book series that tells the stories of the greatest heroes, warriors and legends from the Omni Galaxy. Each character has their own story, but they all take place in the same universe and influence each other. This creates a storyline that spans several adventures and connects them all.
The official order of the individual stories and titles can be found here:
The Commander Series
The tale of Carter Slade Sanders, the Commander. As the best soldier in the known four sectors, he becomes a symbol of bravery and skill in the fight against the Lorgans, and in the process, he and his team uncover a plot whose scope they can hardly grasp.