| 978-607-481-252-7 | Kids' World, Sudent's Booklet 1 | Cengage Learning Editores | Lenore Cohen
| 2010 |
| 978-607-481-253-4 | Kids' World, Sudent's Booklet 2 | Cengage Learning Editores | Lenore Cohen
| 2010 |
| 978-607-481-271-8 | Kids' World, Sudent's Book 3 | Cengage Learning Editores | Lenore Cohen
| 2010 |
| 978-607-481-272-5 | Kids' World, Teacher's Guide 2 | Cengage Learning Editores | Lenore Cohen
| 2010 |
| 978-607-481-273-2 | Kids' World, Teacher's Guide 3 | Cengage Learning Editores | Lenore Cohen
| 2010 |
| 978-607-481-274-9 | Kids' World, Teacher's Guide 4 | Cengage Learning Editores | Lenore Cohen
| 2010 |
| 978-607-481-275-6 | Kids' World, Sudent's Book 4 | Cengage Learning Editores | Lenore Cohen
| 2010 |
| 978-607-481-423-1 | Kids' World, Starter Sudent's Book | Cengage Learning Editores | Lenore Cohen
| 2010 |
| 978-607-481-424-8 | Kids' World, Starter Teacher's Guide | Cengage Learning Editores | Lenore Cohen
| 2010 |
| 978-607-481-483-5 | Kids' World Student's Book 5 | Cengage Learning Editores | Lenore Cohen
| 2010 |
| 978-607-481-484-2 | Kids' World Teacher's Guide 5 | Cengage Learning Editores | Lenore Cohen
| 2010 |
| 978-607-481-490-3 | Kids' World Student's Book 6 | Cengage Learning Editores | Lenore Cohen
| 2010 |
| 978-607-481-491-0 | Kids' World Teacher's Guide 6 | Cengage Learning Editores | Lenore Cohen
| 2010 |
| 978-607-481-527-6 | Kids' World Student's Book + CDAudio | Cengage Learning Editores | Lenore Cohen
| 2011 |
| 978-607-481-530-6 | Kids' World Student's Book 5 Audio CD | Cengage Learning Editores | Lenore Cohen
| 2011 |
| 978-607-481-533-7 | Kids' World Audio CD 6 | Cengage Learning Editores | Lenore Cohen
| 2011 |
| 978-607-481-534-4 | Kids' World Student's Book 6 + CD Audio | Cengage Learning Editores | Lenore Cohen
| 2011 |
| 978-607-481-562-7 | Kids' World Audio CD 1 | 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 |
| 978-607-481-564-1 | Kids' World Audio CD 2 | 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 |
| 978-607-481-566-5 | Kids' World Audio CD 3 | Cengage Learning Editores | Lenore Cohen
| 2011 |
| 978-607-481-567-2 | Kids' World Students Book 3 + CD Audio | Cengage Learning Editores | Lenore Cohen
| 2011 |
| 978-607-481-568-9 | Kids' World Student's Book 4 + CD Audio | Cengage Learning Editores | Lenore Cohen
| 2011 |
| 978-607-481-569-6 | Kids' World CD Audio 4 | Cengage Learning Editores | Lenore Cohen
| 2011 |