Kamill Neupauer · Kamilla Newbery, Monika Kusiak Paul Newbery · Paul i Kamilla Newbery
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Boomerang New Starter Podrecznik Jezyk angielski | 978-83-7446-107-8 | 2006 | Paul Newbery · Monika Kusiak |
| Boomerang New Starter Podrecznik z plyta CD Jezyk angileski | 978-83-7446-476-5 | 2007 | Paul Newbery · Monika Kusiak |
| Boomerang Starter Podrecznik Jezyk angielski | 978-83-7195-892-2 | 2005 | Paul Newbery |
| Boomerang Starter Podrecznik Jezyk angielski | 978-83-7195-475-7 | 2003 | " |