This book celebrates 25 years of the Manfred Lachs Moot Court Competition of the International Institute of Space Law. It contains information grouped by year, including summaries of the Problems, names of participating schools, winners, runners up, best memorial and best oralist winners and more. There are numerous photos showing the hard work of students, judges and organisers, as well as the Judges of the International Court of Justice who have honoured us with their presence through all these years. There are testimonials from numerous students, judges and sponsors of the competition that demonstrate the impact this competition has had on their life and work.