Robie H. Harris
#31 in Babysitting
- It's Perfectly Normal: Changing Bodies, Growing Up, Sex, and Sexual Health
- It's Not the Stork!: A Book About Girls, Boys, Babies, Bodies, Families and Friends
- It's So Amazing!: A Book about Eggs, Sperm, Birth, Babies, and Families
- Who Has What?: All About Girls' Bodies and Boys' Bodies
- Who's in My Family?: All about Our Families
- Michael Emberley
- Lynda Madaras
- Judy Sierra
- Area Madaras
- Chris Raschka
- Laurene Krasny Brown
- Vicki León
- Deanna F. Cook
- Christie Watts Kelly
- Rhonda Gowler Greene
- Dottie Raymer
- Doug Stillinger
- Bethany Roberts
- Kathy Wollard
- Sally Seamans
- Erik Blegvad
- Kate Gruenwald Pfeifer
- Jan Ormerod
- Brooks Whitney Phillips
- Simon Sullivan