Bukowy Las · HOUGHTON MIFFLIN HARCOURT
| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Exploring J.R.R. Tolkien's "The Hobbit" | Paperback | 978-0-544-10663-5 (0-544-10663-6) | 2013 |
| Exploring J.R.R. Tolkien's "The Hobbit" | Hardcover | 978-0-547-73946-5 (0-547-73946-X) | 2012 |
| Odkrywanie Hobbita J.R.R.Tolkiena | Paperback | 978-83-62478-86-6 (83-62478-86-1) | 2012 |