| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Hippo and Friends Level 2 Teacher's Book Polish edition | 978-0-521-71749-6 (0-521-71749-3) | 2008 | Claire Selby · Izabela Lipiska · Lesley McKnight |
| Primary Kid's Box Level 1 Activity Book with CD-ROM Polish edition | 978-0-521-74876-6 (0-521-74876-3) | 2009 | Caroline Nixon · Michael Tomlinson · Izabela Lipiska |
| Primary Kid's Box Level 1 Pupil's Book with Songs CD and Parents' Guide Polish edition | 978-0-521-74858-2 (0-521-74858-5) | 2009 | Caroline Nixon · Michael Tomlinson · Izabela Lipiska |