1987 - Halflife (Paperback) → Hardcover ISBN-13: 9780425105016 ISBN-10: 0425105016 Genre: Mystery, Thriller & Suspense 2 1985 - Half Life (Hardcover) → Paperback ISBN-13: 9780399129940 ISBN-10: 0399129944 Genres: Literature & Fiction, Mystery, Thriller & Suspense ? |