Books I’ve Written


The Big Squeeze

By Molly Harris
Illustrated by Alison Hawkins
HarperCollins Children’s

A hardworking sponge makes its debut in this delightful and relatable picture book perfect for fans of Lou by Breanna Carzoo and The Creature of Habit by Jennifer E. Smith!

The little sponge has a BIG job. She washes and mops and scrubs away all the messes in the kitchen.

But what happens when the mess gets TOO BIG and she just CAN’T clean anymore?

Find out how far friendship, self-care, and a BIIIIIIIG squeeze can go in one sponge’s charming battle against total burnout.


Book Trailer


An entertaining soak with a few suds of empathy. …Harris’ debut is a humorous foray into cleaning routines with a valuable message about avoiding burnout.
— Kirkus Reviews

Whirby

By Molly Harris
Illustrated by Jacob Souva
HarperCollins Children’s

Out Feb 17, 2026. Preorder now!

Whirby the robot is all systems go for his favorite school activity: bot battles! All that clinking, clanging, beeping, and banging makes Whirby so excited.

So excited that he forgets to recharge at night. He stays up practicing his best moves and building the coolest contraptions before the big battle.

But when it’s finally his turn to compete…BWOMP! BZZZ! ZZT!

With his battery on 0%, will Whirby find a way to still be the bot battle champion? Find out in this funny new offering from The Big Squeeze author, Molly Harris, and the illustrator of Big Bike, Little Bike, Jacob Souva! 

I Need Space

By Molly Harris
Illustrated by Jon Corby
Margaret K. McElderry Books (S&S)

See the Publisher’s Weekly announcement

More details to come!