(IBList user synopsis):
A tour guide on a space settlement is given the task of identifying an interloper among the guests.
Originally published in the Saturday Post February 1977 in a cut down form. The first full length publication is in The Winds of Change and Other Stories.
Original title: To Tell at a Glance
Genre: Fiction→ Science Fiction→ Mystery and Detectives
This work is a subwork of the following works :
Winds of Change...And Other Stories, the (1982) [Collection]
Author: Isaac Asimov