| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Discovering Gaia | Paperback | 978-1-320-01293-5 | 2012 |
| Discovering Gaia | Hardcover | 978-1-320-01294-2 | 2012 |
| Mermaids | Paperback | 978-1-320-02589-8 | 2011 |
| Mermaids | Hardcover | 978-1-320-02590-4 | 2011 |
| Mermaids | " | 978-1-320-02591-1 | 2011 |
| MIRAGES | Paperback | 978-1-320-02592-8 | 2010 |
| MIRAGES | Hardcover | 978-1-320-02593-5 | 2010 |
| MIRAGES | " | 978-1-320-02594-2 | 2010 |