| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| A New Look Below The Clouds Of Our Mysterious Twin Planet: A New Look Below The Clouds Of Our Mysterious Twin Planet | 978-O-2O1-32839-4 (O-2O1-32839-9) | 1998 |
D. G. · D,. H.. · David G. · David Grinspoon · David H. · David H. Grinspoon · H.G.