Title: Pace, Author: K.M. Halpern
Title: Toward a Mathematical Theory of Moral Systems, Author: K.M. Halpern
Title: The Last Cloud, Author: K.M. Halpern
Title: The Man Who Stands in Line: A Collection of Very Short Works, Author: K.M. Halpern
Title: The Way Around, Author: K.M. Halpern