Halo

The year is 2524, and Harvest, a thriving agricultural colony, sits at the farthest reach of human territory. Its quiet routines are about to be broken. When an alien raider and a human cargo ship cross paths by chance, the encounter draws Harvest into conflict with the Covenant, a hostile alien empire that humanity has never faced. Meanwhile, the human worlds are already tearing themselves apart in a civil conflict called the Insurrection, leaving the colonists with little outside help.

The defense of Harvest rests on a small group of UNSC Marines, worn down by earlier fighting, and a militia of colonists who have barely begun their training. Together they must hold the planet while learning to work as a unit. Among them, the story centers on Staff Sergeant Avery Johnson, a young Marine whose leadership becomes central to the colony's fate.

This novel is a tie-in to the Halo video game franchise and follows the Covenant war from the human side, suited to readers who enjoy military science fiction and large-scale space conflict.