4º primaria
- 978-84-7873-486-3 DISCOVERING IN ENGLISH 4 - TEACHER'S GUIDE
- 978-84-7873-487-0 DISCOVERING IN ENGLISH 4 - STUDENT'S BOOK
- 978-84-7873-48-87 DISCOVERING IN ENGLISH 4 - ACTIVITY BOOK
- 978-84-7873-48-94 DISCOVERING IN ENGLISH 4 - AUDIO CD
- 978-84-7873-549-5 DISCOVERING IN ENGLISH 3 - PROJECT BOOK
- 978-84-7873-550-1 DISCOVERING IN ENGLISH 3 - POSTERS
- 978-84-7873-485-6 DISCOVERING IN ENGLISH 4 - CD-ROM WHITEBOARD MATERIAL