13.1.2018: Version 0.2 of Low Earth Orbit Targeting is released - also see the tutorial series on its usage.
19.12.2017: Introducing Low Earth Orbit Targeting - a free software package to numerically analyze orbits and plan maneuvers (including a tutorial series) - see the science section.
16.12.2017: Both versions of the Flightgear Space Shuttle Manual have been updated to meet milestone 9 of the development - find the latest in the bookstore
31.5.2017: Both versions of the Flightgear Space Shuttle Manual have been updated - find the latest in the bookstore
26.4.2017: Enjoy one of my Fantasy short stories (in German or English, free), available now in the bookstore
29.12.2016: See some brand-new Space Shuttle screenshots from a test flight in the Shuttle blog
7.12.2016: The Flightgear Space Shuttle Manual - Deluxe Edition is available in the bookstore