A. P. · Angelika Petermann · Angelo Pitrone
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Happy Campers Level 3 Student's Book/Language Lodge | 978-0-230-47072-9 | 2014 | Patricia Acosta |
| Happy Campers Level 4 Skills Book | 978-0-230-47354-6 | 2015 | |
| Happy Campers Level 4 Student's Book/Language Lodge | 978-0-230-47110-8 | 2015 | Patricia Acosta |
| Happy Campers Starter Level Student's Book/Language Lodge | 978-0-230-47249-5 | 2015 | " |