The Unman / Kovrigin's Chronicles

From Author Wars - https://authorwars.com/books/the-unman--kovrigins-chronicles-2044535.html

Overview:

Title: The Unman / Kovrigin's Chronicles
Author: Вадим Шефнер
Year: 1980
Type: Omnibuses

Variant Titles:

1980. The Unman / Kovrigin's Chronicles