Henry Holt and Company · St. Martin's Press
| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Guardian of the Green Hill | Paperback | 978-1-250-06284-0 | 2099 |
| Guardian of the Green Hill | Hardcover | 978-0-8050-8985-1 | 2011 |
| Under the Green Hill | Paperback | 978-0-312-55149-0 | 2011 |
| Under the Green Hill | Hardcover | 978-0-8050-8984-4 | 2010 |
L.S. · L. Sullivan · Laura L. · Laura S. · Laura Sullivan · Ms. Laura L. Sullivan