| 978-950-46-0300-9 | Freeform 1 | Santillana | David Gray Juan Manuel Jiménez Michael Downie | 1995 |
| 978-950-46-0317-7 | Free form 3 | Santillana | David Gray Juan Manuel Jiménez Michael Downie | 1996 |
| 978-950-46-0321-4 | Free form 2 | Santillana | David Gray Juan Manuel Jiménez Michael Downie | 1996 |
| 978-950-46-0322-1 | Free form 4 | Santillana | David Gray Juan Manuel Jiménez Michael Downie | 1996 |
| 978-950-46-0330-6 | Free form 1 | Santillana | David Gray Juan Manuel Jiménez Michael Downie | 1996 |
| 978-950-46-0341-2 | Free form 3 | Santillana | David Gray Juan Manuel Jiménez Michael Downie | 1996 |
| 978-950-46-0585-0 | Freeform 2 A y B | Santillana | David Gray Juan Manuel Jiménez Michael Downie | 1998 |
| 978-950-46-0586-7 | Freeform 2 B | Santillana | David Gray Juan Manuel Jiménez Michael Downie | 1998 |
| 978-950-46-0587-4 | Freeform 2 A | Santillana | David Gray Juan Manuel Jiménez Michael Downie | 1998 |
| 978-950-46-0588-1 | Freeform 1 A y B | Santillana | David Gray Juan Manuel Jiménez Michael Downie | 1998 |
| 978-950-46-0589-8 | Freeform 1 B | Santillana | David Gray Juan Manuel Jiménez Michael Downie | 1998 |
| 978-950-46-0590-4 | Freeform 1 A | Santillana | David Gray Juan Manuel Jiménez Michael Downie | 1998 |
| 978-950-46-1428-9 | Extreme 3 teacher's book | Santillana | David Gray Michael Downie | 2004 |
| 978-950-46-1429-6 | Extreme 3 student's book + activities | Santillana | David Gray Michael Downie | 2009 |
| 978-950-46-1430-2 | Extreme 2 teacher's book | Santillana | David Gray | 2004 |
| 978-950-46-1431-9 | Extreme 2 student's book + activities | Santillana | David Gray Michael Downie | 2008 |
| 978-950-46-1432-6 | Extreme 1 teacher's book | Santillana | David Gray Michael Downie | 2004 |
| 978-950-46-1433-3 | Extreme 1 student's book + activities | Santillana | David Gray Michael Downie | 2008 |
| 978-950-46-1521-7 | Extreme 4 | Santillana | David Gray Juan Manuel Jiménez Michael Downie | 2009 |
| 978-950-46-1522-4 | Extreme 4 | Santillana | David Gray Juan Manuel Jiménez Michael Downie | 2005 |
| 978-950-46-1808-9 | We can do it! | Santillana | David Gray John M. James Michael Downie | 2011 |
| 978-950-46-1809-6 | We Can do it! | Santillana | David Gray John M. James Michael Downie | 2011 |
| 978-950-46-1810-2 | We Can do it! 1 | Santillana | David Gray John M. James Michael Downie | 2008 |
| 978-950-46-1811-9 | We can do it! teacher's book | Santillana | David Gray John M. James Michael Downie | 2011 |
| 978-950-46-1812-6 | We can do it! student?s book | Santillana | David Gray John M. James Michael Downie | 2009 |