Cascade Point by Timothy Zahn / Hardfought by Greg Bear

Paperback. Condition: Good+. 1988. Tor. 

Hardfought by Greg Bear

The Nebula award-winning short story by master SF writer Greg Bear. Humans are engaged in a long war against an advanced alien race, the Senexi, but the possibility for peace may exist thanks to a young girl who learns the enemy's larger role and humanity's opportunity to evolve. 

Cascade Point by Timothy Zahn
In the Hugo Award-winning Cascade Point, faster-than-light travel leads to adventure and danger, and in the Nebula Award-winning Hardfought, alien warfare lights up the skies.