2002 - Cold Steel [Bolos, Bk 6] (Paperback) ISBN-13: 9780743435499 ISBN-10: 0743435494 Genre: Science Fiction & Fantasy 6 1994 - The Unconquerable [Bolos, Bk 2] (Paperback) ISBN-13: 9780671876296 ISBN-10: 0671876295 Genre: Science Fiction & Fantasy 23 |