| 978-607-493-240-9 | Comet 5 Student's Book | U.D. Publishing | Jane Catherine Howes
Peter Charles Loveday
| 2012 |
| 978-607-493-241-6 | Comet 5 Activity Book | U.D. Publishing | Jane Catherine Howes
Peter Charles Loveday
| 2012 |
| 978-607-493-242-3 | Comet 6 Student's Book | U.D. Publishing | Jane Catherine Howes
Peter Charles Loveday
| 2012 |
| 978-607-493-253-9 | Comet 6 Activity Book | U.D. Publishing | Jane Catherine Howes
Peter Charles Loveday
| 2012 |
| 978-607-493-254-6 | Comet Pack Latinoamérica 6 | U.D. Publishing | Jane Catherine Howes
Peter Charles Loveday
| 2012 |
| 978-607-493-291-1 | Comet 5 Teacher's Guide | U.D. Publishing | Jane Catherine Howes
Peter Charles Loveday
| 2012 |
| 978-607-493-297-3 | Comet 6 Teacher's Guide | U.D. Publishing | Jane Catherine Howes
Peter Charles Loveday
| 2012 |
| 978-607-493-307-9 | Comet 5 Student's Book | U.D. Publishing | Jane Catherine Howes
Peter Charles Loveday
| 2012 |
| 978-607-493-306-2 | Comet 6 Student's Book | U.D. Publishing | Jane Catherine Howes
Peter Charles Loveday
| 2012 |
| 978-607-493-322-2 | Comet 5 Guía del maestro | U.D. Publishing | Jane Catherine Howes
Peter Charles Loveday
| 2012 |
| 978-607-493-323-9 | Comet 6 Guía del maestro | U.D. Publishing | Jane Catherine Howes
Peter Charles Loveday
| 2012 |