This Is Not My Hat

OVER 1 MILLION COPIES SOLD
A NEW YORK TIMES BESTSELLER
WINNER OF THE KATE GREENAWAY MEDAL
WINNER OF THE CALDECOTT MEDAL
WINNER OF THE UKLA BOOK AWARD
FROM THE WINNER OF THE ASTRID LINDGREN MEMORIAL AWARD 2026

A tiny fish wears a blue hat. It fits him perfectly.
But this is not his hat. He just stole it.

"As funny and minimalist as its predecessor" Guardian
"A masterpiece" Observer
"Suspense, menace, morality and a twist" Sunday Times

Collect all three HAT books:
I Want My Hat Back
This is Not My Hat
We Found a Hat