Perry Rhodan 51 - Hunt for Life

Upheaval in the galactic zoo! A human has escaped... Synopsis: Laury Marten and John Marshal in one of their rare missions outside the main storyline. The two mutants are tasked with investigating among the macaws on the planet Tolimon why various alien beings there are so extremely long-lived. Among them are Terrans with over 300 years of life. The goal is to rescue Thora [...] Source