2006 - Twin Signal Volume 1 (Paperback) ISBN-13: 9781598830026 ISBN-10: 1598830023 Genres: Science Fiction & Fantasy, Teen & Young Adult, Comics & Graphic Novels ? 1993 - Twin Signal Vol 1 [Japanese] (Paperback) ISBN-13: 9784870250482 ISBN-10: 4870250489 Genre: Comics & Graphic Novels ? 1993 - Twin Signal Vol 2 [Japanese] (Paperback) ISBN-13: 9784870250642 ISBN-10: 4870250640 Genre: Comics & Graphic Novels ? |