| 978-607-493-145-7 | Cross Over 1 Teacher´s Guide | U.D. Publishing | Anita Frances Heald Susana Pontón | 2011 |
| 978-607-493-144-0 | Cross Over 1 Activity Book | U.D. Publishing | Anita Frances Heald Susana Pontón | 2011 |
| 978-607-493-143-3 | Cross Over 1 Reader | U.D. Publishing | Anita Frances Heald Susana Pontón | 2011 |
| 978-607-493-142-6 | Cross Over 2 Teacher´s Guide | U.D. Publishing | Anita Frances Heald Susana Pontón | 2011 |
| 978-607-493-141-9 | Cross Over 2 Reader | U.D. Publishing | Anita Frances Heald Susana Pontón | 2011 |
| 978-607-493-140-2 | Cross Over 3 Reader | U.D. Publishing | Anita Frances Heald Susana Pontón | 2011 |
| 978-607-493-146-4 | Cross Over 3 Teacher´s Guide | U.D. Publishing | Charlotte Green Susana Pontón | 2011 |
| 978-607-493-139-6 | Cross Over 3 Teacher´s Guide | U.D. Publishing | Charlotte Green Susana Pontón | 2011 |
| 978-607-493-138-9 | Cross Over 3 Activity Book | U.D. Publishing | Anita Frances Heald Susana Pontón | 2011 |
| 978-607-493-137-2 | Cross Over 2 Activity Book | U.D. Publishing | Anita Frances Heald Susana Pontón | 2011 |
| 978-607-96032-0-5 | Britain on Screen | The British Council | Amy Gardner Baker Caroline Jane Moore Lister Cynthia Castañeda Hernández Dan Humm Soriano Daniel Johnston Jacob Russell Marrk Reid Simon Cupit Susana Pontón Zoë Tysoe | 2012 |