| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Reading Grade 1 Houghton Mifflin Vocabulary Reader Accompanies Journeys | 978-0-547-42720-1 (0-547-42720-4) | 2010 |
| Trains Grade 1 Houghton Mifflin Vocabulary Reader Accompanies Journeys | 978-0-547-42719-5 (0-547-42719-0) | 2010 |