Frederik Nielsen · Fredrik Nilsson
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Leveled Readers for SS - English Learner - Mount Rushmore: A National Treasure - Grade 2 | 978-0-07-611845-8 (0-07-611845-2) | 2008 |
| Mount Rushmore: A National Treasure | 978-0-07-611981-3 (0-07-611981-5) | 2008 |