E R ยท Erica Royston
| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| The Carbon Age: How Life's Core Element Has Become Civilization's Greatest Threat | Paperback | 978-0-8027-1751-1 (0-8027-1751-9) | 2009 |
| The Carbon Age: How Life's Core Element Has Become Civilization's Greatest Threat | Hardcover | 978-0-8027-1557-9 (0-8027-1557-5) | 2008 |