HarperCollins · Key Porter Books
| title | media type | ISBN-13 | year of publica- tion |
|---|---|---|---|
| The Feathered Cloak: The Trilogy of the Tree Part 1 | Paperback | 978-1-55470-119-3 | 2009 |
| The Last Days of the Lacuna Cabal | " | 978-0-00-726857-3 | 2009 |
| The Last Days of the Lacuna Cabal | Hardcover | 978-0-00-726856-6 | 2008 |
| The Last Days of the Lacuna Cabal | Paperback | 978-0-00-727126-9 | 2008 |
| The Last Days of the Lacuna Cabal | Gebundene Ausgabe | 978-0-00-728349-1 | 2008 |
| The Winter Drey: The Trilogy of the Tree, Part II | Paperback | 978-1-55470-190-2 | 2009 |