Doubleday and Company, New York. 1988. Both volumes are first edition, first printings. Volume 1 is a near fine book in a VG+/NF dust jacket. Volume 2 is a near fine book in a VG+/NF dust jacket. O'Brien was an Irish born writer who's work was considered one of the forerunners of science fiction. He died in a battle during the Civil War in 1862.