Grijalbo Mondadori · Markus Wiener Publishers
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| El Oso Y El Puercoespin | 978-970-05-1694-3 (970-05-1694-6) | 2003 |
| The Bear and the Porcupine: The U.S. and Mexico | 978-1-55876-433-0 (1-55876-433-X) | 2007 |
| The U.S. and Mexico: The Bear and the Porcupine | 978-1-55876-334-0 (1-55876-334-1) | 2004 |