| title | media type | | ISBN-13 | year of publica-
tion | other author(s) |
|---|
| Don't Forget to Come Back! | Hardcover | | 978-0-7445-9317-4 | 2004 | Harry Bliss |
| Don't Forget to Come Back! | " | | 978-0-7636-1782-0 | 2004 |
| Einfach irre!: Liebe, Sex und Kinderkriegen | Taschenbuch | | 978-3-407-75319-9 | 2005 | Michael Emberley |
| ¡Es alucinante! | Paperback | | 978-84-95040-32-9 | 1999 |
| Goodbye Mousie | " | | 978-0-689-87134-4 | 2004 |
| Goodbye, Mousie | " | | 978-0-7434-6213-6 | 2003 |
| Happy Birth Day! | " | | 978-0-7636-0974-0 | 2002 |
| Happy Birth Day! | " | | 978-0-7445-5264-5 | 1998 |
| Happy Birth Day! | Hardcover | | 978-1-56402-424-4 | 1996 |
| Hi New Baby! | Paperback | | 978-0-7636-1826-1 | 2003 |
| Hi, New Baby! | " | | 978-0-7445-8226-0 | 2001 |
| Hi New Baby! | Hardcover | | 978-0-7636-0539-1 | 2000 |
| I am Not Going to School Today | " | | 978-0-689-83618-3 | 2003 |
| It's Not the Stork: A Book About Girls, Boys, Babies, Bodies, Families and Friends | Paperback | | 978-0-7636-3331-8 | 2008 |
| It's NOT the Stork: A Book about Girls, Boys, Babies, Bodies, Families and Friends | Unknown Binding | | 978-1-4178-2907-1 | 2008 |
| It's Not the Stork!: A Book About Girls, Boys, Babies, Bodies, Families and Friends | Hardcover | | 978-0-7636-0047-1 | 2006 |
| It's Perfectly Normal: A Book About Changing Bodies, Growing Up, Sex, and Sexual Health | School & Library Binding | | 978-0-7857-7983-4 | 1999 |
| It's Perfectly Normal: Changing Bodies, Growing Up, Sex, and Sexual Health | Hardcover | | 978-0-7636-4483-3 | 2009 |
| It's Perfectly Normal: Changing Bodies, Growing Up, Sex, and Sexual Health | Paperback | | 978-0-7636-4484-0 | 2009 |
| It's Perfectly Normal: Changing Bodies, Growing Up, Sex, and Sexual Health | " | | 978-0-7636-2433-0 | 2004 |
| It's Perfectly Normal: Changing Bodies, Growing Up, Sex, and Sexual Health | Hardcover | | 978-0-7636-2610-5 | 2004 |
| It's Perfectly Normal: Changing Bodies, Growing Up, Sex, and Sexual Health | Paperback | | 978-1-56402-159-5 | 1996 |
| It's Perfectly Normal: Changing Bodies, Growing Up, Sex, and Sexual Health | Hardcover | | 978-1-56402-199-1 | 1994 |
| It's So Amazing!: A Book about Eggs, Sperm, Birth, Babies, and Families | Paperback | | 978-0-7636-1321-1 | 2004 |
| It's So Amazing! A Book About Eggs, Sperm, Birth, Babies, and Families | Hardcover | | 978-0-7636-0051-8 | 1999 |
| Let's Talk: About Girls, Boys, Babies, Bodies, Families & Friends | Paperback | | 978-1-4063-0606-4 | 2007 |
| Let's Talk: About Girls, Boys, Babies, Bodies, Families and Friends | Hardcover | | 978-0-7445-4085-7 | 2006 |
| Let's Talk About Sex | Paperback | | 978-1-84428-174-9 | 2005 |
| Let's Talk About Sex: Growing Up, Changing Bodies, Sex and Sexual Health | " | | 978-0-7445-3674-4 | 1995 |
| Let's Talk About Sex: Growing Up, Changing Bodies, Sex and Sexual Health | Hardcover | | 978-0-7445-3252-4 | 1994 |
| Let's Talk About Where Babies Come from | Paperback | | 978-1-84428-173-2 | 2004 |
| Let's Talk About Where Babies Come from | Hardcover | | 978-0-7445-4084-0 | 1999 |
| Mail Harry to the Moon | " | | 978-0-316-15376-8 | 2008 |
| No Es La Ciguena / It's Not the Stork!: Un Libro Que Habla Sobre Ninas, Ninos, Bebes, Cuerpos, Familias Y Amigos/ a Book About Girls, Boys, Babies, Bodies, Families and Friends | Paperback | | 978-84-7871-641-8 | 2006 |
| Sexo. Que Es? | " | | 978-84-8488-181-0 | 2005 |
| So was Tolles: Über Mädchen und Jungen, vom Körper und vom Kinderkriegen | Gebundene Ausgabe | | 978-3-407-75327-4 | 2007 |
| Total normal: Was Du schon immer über Sex wissen wolltest | Taschenbuch | | 978-3-407-75316-8 | 2008 |
| Total normal. Was Du schon immer über Sex wissen wolltest | Gebundene Ausgabe | | 978-3-407-75317-5 | 2002 | Michael Emberley |
| Total normal. Was Du schon immer über Sex wissen wolltest | " | | 978-3-86042-165-9 | 2002 |
| What's in There?: A Book about Before You Were Born | Hardcover | | 978-0-7636-3630-2 | 2010 |