A story in the Breeder World Universe
A breeder male joins a cruise ship for his regular cruise, but slightly out of his normal cycle. He encounters some difficulties which require him to make known some things he'd previously kept quiet as he starts to make some significant changes in his life while dealing with the difficulties he encounters. - To understand the background to this story, please read Breeder World first.
The conversion of light into electricity by spectrum is an interesting possibility. The idea of using foreign proteins on the human system to repel enemies, is also interesting. Do you get it? We didn't either until we read the story. Read the yarn and you'll get it too.
A gem of short story in the form of correspondence between the leaders of two opposing Political Blocs whose escalation of hostilities is rapidly suppressed from a surprise third party.
Consider the poor mailman of the future. To "sleet and snow and dead of night"--things that must not keep him from his appointed rounds--will be added, sub-zero void, meteors, and planets that won't stay put. Maybe he'll decide that for six cents an ounce it just ain't worth it.