| 978-607-481-253-4 | Kids' World, Sudent's Booklet 2 | Cengage Learning Editores | Lenore Cohen
| 2010 |
| 978-607-481-610-5 | Kids' World, Audio CD Starter | Cengage Learning Editores | Lenore Cohen
| 2011 |
| 978-607-481-744-7 | Kids' World. Flashcards 2 | Cengage Learning Editores | Lenore Cohen
| 2011 |
| 978-607-481-743-0 | Kids' World. Flashcards 1 | Cengage Learning Editores | Lenore Cohen
| 2011 |
| 978-607-481-742-3 | Kids' World. Flash Cards Starter | Cengage Learning Editores | Lenore Cohen
| 2011 |
| 978-607-481-719-5 | Kids' World Workbook 4 | Cengage Learning Editores | Lenore Cohen
| 2011 |
| 978-607-481-718-8 | Kids' World Workbook 3 | Cengage Learning Editores | Lenore Cohen
| 2011 |
| 978-607-481-717-1 | Kids' World Workbook 2 | Cengage Learning Editores | Lenore Cohen
| 2011 |
| 978-607-481-716-4 | Kids' World Workbook 1 | Cengage Learning Editores | Lenore Cohen
| 2011 |
| 978-607-481-611-2 | Kids' World Student's Book Starter + Audio CD | Cengage Learning Editores | Lenore Cohen
| 2011 |
| 978-607-481-252-7 | Kids' World, Sudent's Booklet 1 | Cengage Learning Editores | Lenore Cohen
| 2010 |
| 978-607-481-569-6 | Kids' World CD Audio 4 | Cengage Learning Editores | Lenore Cohen
| 2011 |
| 978-607-481-568-9 | Kids' World Student's Book 4 + CD Audio | Cengage Learning Editores | Lenore Cohen
| 2011 |
| 978-607-481-567-2 | Kids' World Students Book 3 + CD Audio | Cengage Learning Editores | Lenore Cohen
| 2011 |
| 978-607-481-566-5 | Kids' World Audio CD 3 | Cengage Learning Editores | Lenore Cohen
| 2011 |
| 978-607-481-565-8 | Kids' World Student's Book 2 + CD Audio | Cengage Learning Editores | Lenore Cohen
| 2011 |
| 978-607-481-564-1 | Kids' World Audio CD 2 | Cengage Learning Editores | Lenore Cohen
| 2011 |
| 978-607-481-563-4 | Kids' World Student's Book 1 + CD Audio | Cengage Learning Editores | Lenore Cohen
| 2011 |