| 978-958-743-254-1 | Next Step 6 | Distribuidora y Editora Richmond | Carol lethaby
Simon Brewster
Alexander Nemenov
Andrew Walker
Ari Versiani
Brad Barket
Dave Hogan
Dave Chan
Eric Ryan
Francisco Vega
Frazer Harrison
Frederick M. Brown
Gareth Cattermole
Johanness Simon
Kevin Winter
Michael Buckner
Nikolsky Aleksey
Paulo Pinto
Pierre Philippe Marcou
Scott Gries
Stan Honda
Tim Norris
Valerie Macon
Will Ragozzino
Félix León
| 2011 |
| 978-958-743-255-8 | Next Step 6 Edición Docente | Distribuidora y Editora Richmond | Carol lethaby
Luz Dary Corredor Gomez
Melissa Maness
Simon Brewster
Alexander Nemenov
Andrew Walker
Ari Versiani
Brad Barket
Dave Hogan
Dave Chan
Eric Ryan
Francisco Vega
Frazer Harrison
Frederick M. Brown
Gareth Cattermole
Johanness Simon
Kevin Winter
Michael Buckner
Nikolsky Aleksey
Paulo Pinto
Pierre Philippe Marcou
Scott Gries
Stan Honda
Tim Norris
Valerie Macon
Will Ragozzino
Félix León
| 2011 |
| 978-958-743-256-5 | Next Step 7 | Distribuidora y Editora Richmond | Carol lethaby
Simon Brewster
Alexander Nemenov
Carl De Souza
Félix León
Francois Nascimbeni
Frazer Harrison
Hector Mata
Joe Raedle
Juan Carlos Pérez
Justin Sullivan
Noel Vasquez
Nogi Kazuhiro
Rick Gershon
Rob Loud
Vanderlei Almeida
Félix León
| 2011 |
| 978-958-743-257-2 | Next Step 7 Edición Docente | Distribuidora y Editora Richmond | Carol lethaby
Luz Dary Corredor Gomez
Melissa Maness
Simon Brewster
Alexander Nemenov
Carl De Souza
Félix León
Francois Nascimbeni
Frazer Harrison
Hector Mata
Joe Raedle
Juan Carlos Pérez
Justin Sullivan
Noel Vasquez
Nogi Kazuhiro
Rick Gershon
Rob Loud
Vanderlei Almeida
Félix León
| 2011 |