In the vortex of alternating worlds (EXO-TERRESTRIAL-FORCES 6)

Sigurd's spirit is in Marvin's body. He is transferred with him 200 years back in time. He is 25 years old and is imprisoned by aliens. His fight for survival begins in a world of chaos that threatens to be torn apart by the battle between two alien power groups. The 'Guardians of the Stars' have suddenly become his henchman. They are trying to get hold of him, while GLEESITT, the 'City of a Thousand Stars' seems to be on his side. When the aliens from Earth launch an attack on the mother ship KO and on GLEESITT, he must decide which side he is on.

Jens. F. Simon has always been a dreamer who moved more in his own fantasy world then in the reality. After basic military service, he began to study law. When his parents died unexpectedly, he broke off his studies and shift for a living with odd jobs. After divorcing his first relationship he met his dream women and started a family. Today he writes the fantastic stories that have accompanied him throughout his life.