Jon Klassen for the smallest hands! The second award-winning HAT book in board book form. 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 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