Kidnapped into space

Why has a species more advanced than ourselves—which surely must exist somewhere in the universe—not openly contacted us yet? Brenda Pearce's exciting story suggests a reason for secrecy and projects such a superhuman species with a far developed view of the cosmos and their own position—and ours—in it that we mere humans have only dimly conceived. But the secrecy theory presents a dilemma to Margaret and Alan who have to explain their absense in practical down-to-earth terms while "forgetting" much of their nerve-racking but marvellous experience.