Human Publishing · Kiddy World Promotions B.V.
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Wonder Weeks: How to stimulate your baby's mental development and help him turn his 10 predictable, great, fussy phases into magical leaps forward | 978-90-79208-04-3 (90-79208-04-3) | 2012 | |
| Vidunderlige uger: 10 skridt i dit barns mentale udvikling | 978-87-988722-3-8 (87-988722-3-0) | 2013 | Frans Plooij Ph.D. |