News: 5.5.2019: The fourth episode The Fairy Ring of the Clíodhna series is released! 5.4.2019: Updates for the Space Shuttle Flight Manual (standard and deluxe edition) are out - see the bookstore for the download! 8.3.2019: The teaser for Clíodhna Episode V 'Rime Fever' is out! 7.1.2019: Version 0.4 of Low Earth Orbit Targeting is released, allowing to do numerical rendezvous fits - also see the tutorial series on its usage. 4.1.2019: If you're interested in how our movies are made, you can enjoy a new 15 minute 'Cliíodhna - behind the Scenes' feature - read more... 6.12.2018: All Clíodhna episodes are now also available as HD download - read more...