| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2004 | 978-0-9754150-0-9 | Joan Sommers | A Sunday on La Grande Jatte Tunnel Book (Take a Peek series) |
| 2006 | 978-0-9754150-1-6 | Joan Sommers | Henri Rousseau Tunnel Book: Take a Peek into a Fantastic Jungle! (Take a Peek series) |
| 2007 | 978-0-9754150-2-3 | '' | The Coral Reef Tunnel Book: Take a Peek Under the Sea! (Take a Peek series) |
| 2006 | 978-0-9754150-3-0 | '' | The Dancing Skeletons Tunnel Book / El Gran Baile de Calaveras Libro del Túnel: Take a Peek at Posada's Calaveras! (Take a Peek series) |
| 2007 | 978-0-9754150-5-4 | '' | The Rainbow Bird Tunnel Book / El pájaro del arco iris: un libro túnel: Take a Peek at Brilliant Birds! (Take a Peek series) |