William S Frisbee Jr: 2 books

A merciless dragon is terrorizing the realm. It slays and maims for the sheer pleasure of inflicting suffering and pain. Undefeated it rampages across the kingdom but it knows the mage will bring it the one thing it cannot take. A power to crumble mountains, demolish empires and change the world. The mage will have his revenge if it costs him his life.

The Colony of New Alamo find itself trapped in a war torn system at the mercy of aliens who know too much about fleeing humans. To keep the good will of the alien rulers they must sacrifice the hero that saved them and thus begins the career of Commander Luke Kishi.