Backyard Starship 27 book cover, a large ship takes off in front of a looming planet, ominous color palette of dark brown and gold
A shrouded male figure holds a spear, facing a large holographic image of a man
Taken to the Stars 12 book cover, Charlie stands on planet, peering at the enemy, facing a dire scene of flames
Blue Sun Armada 3 book cover, back view of male silhouette overlooking a blazing blue portal
The First Peacemaker book cover, Alexander stands before an ancient glowing doorway to another universe, he wears a winter coat
Able-Bodied Soldier 4 book cover, Briggs and another soldier face the camera w/ full gear on, a white mech in action in background