Isherské obchody se zbraněmi

Blurb

The Weapon Shops of Isher is a science fiction novel by A. E. van Vogt, first published in 1951. The novel is a fix-up created from three previously published short stories about the Weapon Shops and Isher civilization:
"The Seesaw"
"The Weapon Shop"
"The Weapon Shops of Isher"