Postmarked the Stars Author:Andre Norton Trouble started early for the free-trader Solar Queen the moment cargo master Dane Thorson collected a package for transit from Xecho to Trewsworld. What was in the package Dane did not learn until after he had been kidnapped, knocked out, and a dead man bearing his credentials had been substituted for him aboard the ship. Efforts to find out th... more »e reason for the mysterious switch seemed hopeless until they made the ghastly discovery that their precious cargo of alien embryos had been subjected to secret radiation, causing them to regress genetically into monster forms.« less