Olaf Brill & Andreas Völlinger 
Perry – our man in space, book 2 – Phantoms of Yesterday [PDF ebook] 
Perry Rhodan Comic

In the year 3000 Perry Rhodan is the ambassador of mankind with his research vessel Khrest III underway in space. The crew of the Khrest includes humans, aliens and mutants, among them the twin-headed mutant Ivan Ivanovich Goratchin, the ‘girl from space’ Shira and the little mouse beaver Pucky, also known as the ‘savior of the universe’.
Under attack from a sinister enemy, Perry and his men must confront their
inner demons. These become a real threat to the Khrest III. This time
it’s up to the women to save the day! The Khrest III is in the stranglehold of the Phantoms of Yesterday!
A captivating space adventure with Perry Rhodan