| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| The Happiest Kids in the World: How Dutch Parents Help Their Kids by Doing Less | Audio CD | 978-1-5384-2964-8 (1-5384-2964-0) | 2017 | Michele Hutchison |
| The Happiest Kids in the World: How Dutch Parents Help Their Kids by Doing Less | MP3 CD | 978-1-5384-2965-5 (1-5384-2965-9) | 2017 | " |
| The Happiest Kids in the World Lib/E: How Dutch Parents Help Their Kids by Doing Less | Audio CD | 978-1-5384-2963-1 (1-5384-2963-2) | 2017 | " |