I was wondering if someone could recognise a book of short stories from my vague description. I can't remember if the stories are by one author or by several, since I lost the book ages ago. They seem to be sci-fi and probably from the '80s or earlier. The first story, which I can't remember, is (most likely) entitled "Prologue". One story is about a man who convinces his friend's son that there exists an alien named Mr. ___ from the planet Sirius. The "alien" instructs the boy to shoot his... read more