Double Contact

The empathic Dr. Prilicla, a veteran of Sector General for years, is put in command of an expedition answering three distress beacons. What he finds is two hitherto-unknown intelligent species, one of which has nearly wiped out the other. And, he also finds evidence of a botched first contact-along with a rare opportunity to set matters right. Assuming, as always, that he can make an accurate diagnosis...