Проницательный ребёнок

From Author Wars - https://authorwars.com/books/pronitsatelnyi-rebionok-963556.html

Overview:

Title: Проницательный ребёнок
Author: Б. Зубков Е. Муслин
Year: 1965
Type: Short Fiction

Variant Titles:

1969. "Out of the Mouths of Babes ... !"