2009 - Flatland an Edition with Notes and Commentary [Spectrum] (Paperback) → Hardcover ISBN-13: 9780521759946 ISBN-10: 0521759943 Genres: Literature & Fiction, Science Fiction & Fantasy, Science & Math ? 2009 - Flatland an Edition with Notes and Commentary [Spectrum] (Hardcover) → Paperback ISBN-13: 9780521769884 ISBN-10: 0521769884 Genres: Literature & Fiction, Science Fiction & Fantasy, Science & Math 1 |