| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| The Seven Hills of Rome: A Geological Tour of the Eternal City | Paperback | 978-0-691-13038-5 (0-691-13038-8) | 2007 | Grant Heiken · Donatella de Rita |
| The Seven Hills of Rome: A Geological Tour of the Eternal City | Hardcover | 978-0-691-06995-1 (0-691-06995-6) | 2005 | Grant Heiken · Donatella de Rita |