Arthur Chamberlain has problems. His one-man engineering firm is faltering and his pretty secretary Estelle barely notices him. But these problems are put aside when his Manhattan office building falls into the fourth dimension. Madison Square is filled with wigwams and it’s up to Arthur to engineer a way to make his building to fall back to the future. – The Runaway Skyscraper first appeared in the February 22, 1919 issue of Argosy magazine. (Summary by Gregg Margarite)

They were broadcasts from nowhere--sinister emanations flooding in from space--smashing any receiver that picked them up. What defense could Earth devise against science such as this? In the far future of 1972, on a secret military installation, Staff Sergeant Bellews is an expert on the latest scientific discovery: a way for ordinary machines like vacuums and lawnmowers to gather experience in their jobs, becoming error free over time. Then the strange broadcasts began to blow up transmitte ...

This story starts with space ships scouring the universe in an interplanetary game of tag. The humans know there are “Aliens” out there. But so do the Aliens. As each tries desperately to make the phenomenal discovery, they secretly hope that the other will not turn out to be the enemy. Humans call them “Plumies” because of the feathery plumes they inscribe on silicon-bronze tablets and cairns they have left behind on their intergalactic travels over the last thousand years. The search goes ...