| title | | ISBN-13 | year of publica- tion | other author(s) |
| Einfach irre!: Liebe, Sex und Kinderkriegen | | 978-3-407-75319-9 | 2002 | Michael Emberley |
| It's So Amazing!: A Book about Eggs, Sperm, Birth, Babies, and Families | | 978-0-7636-0051-8 | 1999 | Robie H. Harris |
| Just Being Me #1: I'm SO Mad! | | 978-0-316-10939-0 | 2005 |
| Just Being Me #2: I'm NOT Sleepy! | | 978-0-316-10941-3 | 2005 |
| Just Being Me #3: I LOVE Messes! | | 978-0-316-10946-8 | 2005 |
| Just Being Me #4: I'm ALL Dressed! | | 978-0-316-10948-2 | 2005 |
| Let's Talk About Sex | | 978-1-4063-5604-5 | 2014 |
| Let's Talk About Sex | | 978-1-4063-2420-4 | 2010 |
| Let's Talk About Where Babies Come From: A Book about Eggs, Sperm, Birth, Babies, and Families | | 978-1-4063-5786-8 | 2014 |
| Mail Harry to the Moon | | 978-0-316-15376-8 | 2008 |
| Maybe A Bear Ate It! | | 978-0-439-92961-5 | 2008 |
| ROSIES RAZZLE DAZZLE | | 978-0-394-84975-1 | 1982 |
| So was Tolles: Über Mädchen und Jungen, vom Körper und vom Kinderkriegen | | 978-3-407-75327-4 | 2007 |
| Total normal: Was du schon immer über Sex wissen wolltest | | 978-3-407-75361-8 | 2015 | Michael Emberley |
| Total normal: Was du schon immer über Sex wissen wolltest | | 978-3-407-75316-8 | 2011 | " |
| What's in There?: All About Before You Were Born | | 978-0-7636-3630-2 | 2013 |
| Who's In My Family? | | 978-1-4063-4540-7 | 2015 |