Comet January 1940 (Paperback) ISBN-13: 9781506199412 ISBN-10: 1506199410 Genre: Science Fiction & Fantasy ? Comet March 1941 (Paperback) ISBN-13: 9781507503959 ISBN-10: 1507503954 Genre: Science Fiction & Fantasy ? Thrilling Wonder Stories 06/38 Adventure House Presents (Paperback) ISBN-13: 9781597985802 ISBN-10: 1597985805 Genre: Science Fiction & Fantasy ? |