| 978-607-493-542-4 | Crossover Plus 2 Workbook | U.D. Publishing | Lysette Louise Taplin
| 2014 |
| 978-607-493-764-0 | Crossover 3 Teacher´s Resource Pack | U.D. Publishing | Georgina Forster
Lysette Louise Taplin
| 2016 |
| 978-607-493-763-3 | Crossover 2 Teacher´s Resource Pack | U.D. Publishing | Georgina Forster
Lysette Louise Taplin
| 2016 |
| 978-607-493-762-6 | Crossover 1 Teacher´s Resource Pack | U.D. Publishing | Georgina Forster
Lysette Louise Taplin
| 2016 |
| 978-607-493-619-3 | Crossover Higher 3 Workbook | U.D. Publishing | Ian Gardner
Lysette Louise Taplin
| 2014 |
| 978-607-493-618-6 | Crossover Higher 3 Workbook | U.D. Publishing | Ian Gardner
Lysette Louise Taplin
| 2014 |
| 978-607-493-586-8 | Crossover Plus 3 Workbook | U.D. Publishing | Lysette Louise Taplin
| 2014 |
| 978-607-493-585-1 | Crossover Plus 2 Workbook | U.D. Publishing | Lysette Louise Taplin
| 2014 |
| 978-607-493-584-4 | Crossover Plus 1 Workbook | U.D. Publishing | Lysette Louise Taplin
| 2014 |
| 978-607-493-572-1 | Crossover Higher 2 Workbook | U.D. Publishing | Lysette Louise Taplin
| 2014 |
| 978-607-493-571-4 | Crossover Higher 1 Workbook | U.D. Publishing | Lysette Louise Taplin
| 2014 |
| 978-607-493-568-4 | Crossover Higher 1 Student's Book | U.D. Publishing | Anita Frances Heald
Lysette Louise Taplin
| 2014 |
| 978-607-493-534-9 | Crossover Higher 2 Workbook | U.D. Publishing | Lysette Louise Taplin
| 2014 |
| 978-607-493-533-2 | Crossover Higher 1 Workbook | U.D. Publishing | Lysette Louise Taplin
| 2014 |
| 978-607-493-537-0 | Crossover Higher 1 Student's Book | U.D. Publishing | Anita Frances Heald
Lysette Louise Taplin
| 2014 |
| 978-607-493-543-1 | Crossover Plus 3 Workbook | U.D. Publishing | Lysette Louise Taplin
| 2014 |
| 978-607-493-334-5 | Workbook Crossover Plus 1 | U.D. Publishing | Lysette Louise Taplin
| 2012 |
| 978-607-493-541-7 | Crossover Plus 1 Workbook | U.D. Publishing | Lysette Louise Taplin
| 2014 |
| 978-607-493-453-3 | Crossover Higher 3 Workbook | U.D. Publishing | Ian Gardner
Lysette Louise Taplin
| 2013 |
| 978-607-493-452-6 | Crossover Higher 3 Workbook | U.D. Publishing | Ian Gardner
Lysette Louise Taplin
| 2013 |
| 978-607-493-448-9 | Crossover Higher 2 Workbook | U.D. Publishing | Lysette Louise Taplin
| 2013 |
| 978-607-493-476-2 | Crossover Higher 2 Workbook | U.D. Publishing | Lysette Louise Taplin
| 2013 |
| 978-607-493-438-0 | Crossover Higher 1 Workbook | U.D. Publishing | Lysette Louise Taplin
| 2013 |
| 978-607-493-436-6 | Crossover Higher 1 Student's Book | U.D. Publishing | Anita Frances Heald
Lysette Louise Taplin
| 2013 |
| 978-607-493-433-5 | Workbook Crossover Plus 3 | U.D. Publishing | Lysette Louise Taplin
| 2013 |