N. H. · Niahm Humphreys · Niamh Humphrey · Nina Hömberg
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Open World Preliminary Self Study Pack | 978-1-108-75929-8 | 2019 | Susan Kingsley |
| Open World Preliminary Student's Book and Workbook with ebook: Italian Edition | 978-1-108-56540-0 | 2020 | " |
| Open World Preliminary Student's Book Pack | 978-1-108-56534-9 | 2019 | " |
| Open World Preliminary Student's Book with Answers English for Spanish Speakers | 978-84-9036-560-1 | 2019 | Susan Kingsley · Sheila Dignen |
| Open World Preliminary Student's Book with Answers with Online Practice | 978-1-108-75919-9 | 2019 | Susan Kingsley |
| Open World Preliminary Student's Book with Answers with Online Workbook | 978-1-108-75932-8 | 2019 | " |
| Open World Preliminary Student's Book without Answers English for Spanish Speakers | 978-84-9036-557-1 | 2019 | Susan Kingsley · Sheila Dignen |
| Open World Preliminary Student's Book without Answers with Online Practice | 978-1-108-56532-5 | 2019 | Susan Kingsley |
| Open World Preliminary Student's Book without Answers with Online Workbook | 978-1-108-58315-2 | 2019 | " |