- 39 uses for a friend, Harriet Ziefert ; illustrated by Rebecca Doughty
- Ziefert, Harriet, Really Bird story, 4
- Grandmas are for giving tickles, by Harriet Ziefert ; illustrated by Jennifer Plecas
- My friend Grandpa, Harriet Ziefert ; paintings by Robert Wurzburg
- Crab cab, by Harriet Ziefert ; illustrated by Yukiko Kido
- I really want to be first!, Harriet Ziefert ; illustrations by Travis Foster
- Bunny's lessons, Harriet Ziefert ; paintings by Barroux
- Circus parade, by Harriet Ziefert ; pictures by Tanya Roitman
- Hats off for the Fourth of July!, Harriet Ziefert ; illustrated by Gus Miller
- I really want a bigger piece!, Harriet Ziefert ; illustrations by Travis Foster
- Ouch!, Harriet Ziefert ; pictures by Rich Rossi
- Home for Navidad, Harriet Ziefert ; illustrations by Santiago Cohen
- One smart skunk, Harriet Ziefert ; illustrated by Santiago Cohen
- If I had a robot dog, [Harriet Ziefert] ; pictures by Andrea Baruffi
- Be thankful for trees, Harriet Ziefert, Brian Fitzgerald
- Murphy meets the treadmill, written by Harriet Ziefert ; illustrated by Emily Bolam
- Lucy rescued, Harriet Ziefert ; paintings by Barroux
- My dog thinks I'm a genius, Harriet Ziefert ; paintings by Barroux
- A new house for mole and mouse
- ABC dentist, by Harriet Ziefert ; illustrated by Liz Murphy
- It's really cold outside!, Harriet Ziefert
- A polar bear can swim, what animals can and cannot do, by Harriet Ziefert ; illustrated by Emily Bolam
- I really want to make lemonade!, Harriet Ziefert
- When Daddy travels, a flip-the-flap story, [Harriet Ziefert] ; pictures by Emily Bolam
- Ziefert, Harriet, Really Bird story, 3
- Sleepy Dog, wake up!, by Harriet Ziefert ; illustrated by Norman Gorbaty
- The princess and the peas and carrots, by Harriet Ziefert ; illustrations by Travis Foster
- You can't take your body to a repair shop, a book about what makes you sick, Harriet Ziefert and Fred M. Ehrlich ; drawings by Amanda Haley
- Two little witches, a counting story, Harriet Ziefert and Simms Taback
- Hey Irma!, This is Halloween, by Harriet Ziefert ; pictures by Barry Gott
- My forever dress, by Harriet Ziefert ; illustrated by Liz Murphy
- Ziefert, Harriet, Really Bird story
- Grandma, it's for you!, Harriet Ziefert ; illustrations by Lauren Browne
- Is this the bus for us? / Written by Harriet Ziefert; Illustrated by Richard Brown
- A bunny is funny, by Harriet Ziefert & Fred Ehrlich ; illustrated by Todd McKie
- Bears odd, bears even, by Harriet Ziefert ; illustrated by Andrea Baruffi
- There was a little girl, she had a little curl, Harriet Ziefert ; pictures by Elliot Kreloff
- Presents for Santa, by Harriet Ziefert ; illustrated by Laura Rader
- Jason's bus ride, Harriet Ziefert ; illustrated by Simms Taback
- Squarehead, story by Harriet Ziefert ; paintings by Todd McKie
- Silly pig, [text by Harriet Ziefert] ; pictures by Laura Rader
- I really want to fly to the Moon!, Harriet Ziefert ; illustrations by Travis Foster
- Harry takes a bath, Harriet Ziefert ; pictures by Mavis Smith
- One red apple, Harriet Ziefert ; paintings by Karla Gudeon
- Clara Ann Cookie go to bed!, by Harriet Ziefert ; illustrated by Emily Bolam
- Be thankful for water, how water sustains our planet, Harriet Ziefert ; [illustrated by] Brian Fitzgerald
- Snow magic, Harriet Ziefert ; illustrated by Claire Schumacher
- What is Thanksgiving?, Harriet Ziefert ; pictures by Claire Schumacher
- Hey Irma!, it's Mother's day, by Harriet Ziefert ; pictures by Barry Gott
- Snake cake, text by Harriet Ziefert ; [illustrations by] Yukiko Kido