| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Curious About School Grade 1 Houghton Mifflin Vocabulary Reader Accompanies Journeys | 978-0-547-42714-0 (0-547-42714-X) | 2010 |
| Music Grade 1 Houghton Mifflin Vocabulary Reader Accompanies Journeys | 978-0-547-42724-9 (0-547-42724-7) | 2010 |