Le missioni di Capitan Ken libero agente spaziale

From Author Wars - https://authorwars.com/publications/le-missioni-di-capitan-ken-libero-agente-spaziale-383543.html

Overview:

Title: Le missioni di Capitan Ken libero agente spaziale
Author: Gregory Kern
Year: 1983
Publisher: Editrice Nord
Price: Lit 8,000
Pages: 120+128+122+120
Binding: Trade Paperback
Type: Omnibus
Title Reference: Le missioni di Capitan Ken libero agente spaziale
Notes: "Le missioni di Capitan Ken libero agente spaziale" is an original Italian Omnibus, containing the following novels, translated by Giampaolo Cossato and Sandro Sandrelli:
Galaxy of the Lost as "Universo parallelo"
Slave Ship from Sergan as "Gli schiavi di Sergan"
Monster of Metelaze as "I ribelli di Metalaze"
Enemy Within the Skull as "Il nemico nella testa"
Various pagings since every single novel starts on its own page 1
Data from http://www.fantascienza.com, which reports Kern as author (see cover) but credits E.C. Tubb for single novels