Novels by Robert E. Vardeman 2

The ship is crippled in orbit around a dangerous planet and a desperate peace mission is stalled. Kirk has never needed his crew more when an alien women casts a spell of pacifism - and now mutiny - over the crew.

After the inhabitants of Alnath II discover an ancient city, crew members of the Enterprise undergo sudden personality changes which effect their ability to protect the starship from an approaching Klingon battle cruiser.