Mit Albert Einstein Zu Den SternenSabine Hoos, Dieter Schulz-Hoos · First published 2022Open the Tome
On Foot Through the GalaxySabine Hoos, Dieter Schulz-Hoos · First published 2021Science FictionOpen the Tome
Amazing Impulses for an Interstellar Space TravelSabine Hoos, Dieter Schulz-Hoos · First published 2020Science FictionOpen the Tome
