| title | | ISBN-13 | year of publication |
|---|
| Crybabies | | 978-0-7088-2762-8 | 1985 |
| Crybabies, Coping With Colic: What to Do When Baby Won't Stop Crying | | 978-0-425-07970-6 | 1989 |
| Gesunder Schlaf, glückliches Kind | | 978-3-407-88210-3 | 1999 |
| Gesunder Schlaf - glückliches Kind | | 978-3-407-85719-4 | 1997 |
| Gesunder Schlaf, glückliches Kind. Umfassende Hilfen bei Schlafproblemen | | 978-3-88679-210-8 | 1997 |
| Healthy Sleep Habits, Happy Child | | 978-0-449-00402-9 | 1999 |
| Healthy Sleep Habits, Happy Child | | 978-0-449-90224-0 | 1987 |
| Healthy Sleep Habits, Happy Child | | 978-99933-34-47-7 | 1987 |
| Healthy Sleep Habits, Happy Child: A Step-by-Step Program for a Good Night's Sleep, 3rd Edition | | 978-0-345-48645-5 | 2005 |
| Healthy Sleep Habits, Happy Child: A Step-by-step Programme for a Good Night's Sleep | | 978-0-09-190255-1 | 2005 |
| Healthy Sleep Habits, Happy Child / Your Fussy Baby | | 978-0-345-47302-8 | 2004 |
| Healthy Sleep Habits, Happy Twins: A Step-by-step Programme for Sleep-training Your Multiples | | 978-0-09-193520-7 | 2010 |
| Sweet Baby: How To Soothe Your Newborn | | 978-0-9666140-1-5 | 1998 |
| Your Fussy Baby | | 978-0-345-46300-5 | 2003 |