| 978-607-471-518-7 | The English Experience 2 | SM de Ediciones | Martha Azucena Sánchez de la Barquera
Robert Ivor Williams
| 2010 |
| 978-607-493-344-4 | Teen Topics 1. Guía didáctica | U.D. Publishing | Gonzalo Celorio Morayta
Robert Ivor Williams
| 2013 |
| 978-607-493-359-8 | Tween Topics For Tlalnepantla 4 Student´s Book | U.D. Publishing | Frances Mara Bunker Sutlovich
Gonzalo Celorio Morayta
Robert Ivor Williams
| 2013 |
| 978-607-493-479-3 | Crossover Higher 2 Student's Book | U.D. Publishing | Anita Frances Heald
Edgar Jeremy
Robert Ivor Williams
| 2013 |
| 978-607-493-474-8 | Crossover Higher 2 Student's Book | U.D. Publishing | Anita Frances Heald
Edgar Jeremy
Robert Ivor Williams
| 2013 |
| 978-607-493-480-9 | Crossover Higher 2 Reader | U.D. Publishing | Anita Frances Heald
Edgar Jeremy
Robert Ivor Williams
| 2013 |
| 978-607-493-454-0 | Crossover Higher 2 Reader | U.D. Publishing | Anita Frances Heald
Edgar Jeremy
Robert Ivor Williams
| 2013 |
| 978-607-493-450-2 | Crossover Higher 3 Student's Book | U.D. Publishing | Anita Frances Heald
Edgar Jeremy
Robert Ivor Williams
| 2013 |
| 978-607-493-451-9 | Crossover Higher 3 Student's Book | U.D. Publishing | Anita Frances Heald
Edgar Jeremy
Robert Ivor Williams
| 2013 |
| 978-607-493-455-7 | Crossover Higher 3 Reader | U.D. Publishing | Anita Frances Heald
Edgar Jeremy
Robert Ivor Williams
| 2013 |
| 978-607-493-456-4 | Crossover Higher 3 Reader | U.D. Publishing | Anita Frances Heald
Edgar Jeremy
Robert Ivor Williams
| 2013 |
| 978-607-493-538-7 | Crossover Higher 2 Student's Book | U.D. Publishing | Anita Frances Heald
Edgar Jeremy
Robert Ivor Williams
| 2014 |
| 978-607-493-524-0 | Crossover Higher 2 Reader | U.D. Publishing | Anita Frances Heald
Edgar Jeremy
Robert Ivor Williams
| 2014 |
| 978-607-493-569-1 | Crossover Higher 2 Student's Book | U.D. Publishing | Anita Frances Heald
Edgar Jeremy
Robert Ivor Williams
| 2014 |
| 978-607-493-570-7 | Crossover Higher 2 Reader | U.D. Publishing | Anita Frances Heald
Edgar Jeremy
Robert Ivor Williams
| 2014 |
| 978-607-493-605-6 | Tween Topics For Tlalnepantla 6 Second Edition Student's Book | U.D. Publishing | Angélica Eugenia Sánchez de la Barquera
Martha Azucena Sánchez de la Barquera
Robert Ivor Williams
| 2014 |
| 978-607-493-606-3 | Tween Topics For Tlalnepantla 6 Second Edition Libro del Profesor | U.D. Publishing | Angélica Eugenia Sánchez de la Barquera
Martha Azucena Sánchez de la Barquera
Robert Ivor Williams
| 2014 |
| 978-607-493-614-8 | Crossover Higher 3 Student's Book | U.D. Publishing | Anita Frances Heald
Edgar Jeremy
Robert Ivor Williams
| 2014 |
| 978-607-493-615-5 | Crossover Higher 3 Student's Book | U.D. Publishing | Anita Frances Heald
Edgar Jeremy
Robert Ivor Williams
| 2014 |
| 978-607-493-616-2 | Crossover Higher 3 Reader | U.D. Publishing | Anita Frances Heald
Edgar Jeremy
Robert Ivor Williams
| 2014 |
| 978-607-493-617-9 | Crossover Higher 3 Reader | U.D. Publishing | Anita Frances Heald
Edgar Jeremy
Robert Ivor Williams
| 2014 |
| 978-607-493-625-4 | Prep For Life Student's Book 4 | U.D. Publishing | Robert Ivor Williams
| 2014 |
| 978-607-493-772-5 | Tween Topics for Tlalnepantla 5 Student´s Book Second Edition | U.D. Publishing | Angélica Sánchez de la Barquera
Martha Azucena Sánchez de la Barquera
Robert Ivor Williams
| 2016 |
| 978-607-493-001-6 | English Experience 2 | U.D. Publishing | Angélica Sánchez de la Barquera
Robert Ivor Williams
| 2009 |