For the Star Wars Universe, he is the author of the Black Fleet Crisis series. You can read more about this series here.

His other works include Emprise, which was nominated for the Phillip K. Dick Award, The Quiet Pools which was a 1991 Hugo Award Nominee among others.

His newest book, 'The Trigger', which he has written in collaboration with Arthur C Clarke, has a very interesting premise and is an engrossing book. Read more about it here.