Wolfsjong & Wereld der Zombies

From Author Wars - https://authorwars.com/books/wolfsjong--wereld-der-zombies-1356505.html

Overview:

Title: Wolfsjong & Wereld der Zombies
Author: Gordon R. Dickson
Year: 1975
Type: Omnibuses

Variant Titles:

1975. Wolfsjong & Wereld der zombies